Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1 | /* |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 2 | cx231xx-core.c - driver for Conexant Cx23100/101/102 |
| 3 | USB video capture devices |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 4 | |
| 5 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 6 | Based on em28xx driver |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | */ |
| 22 | |
Mauro Carvalho Chehab | 589dadf | 2014-11-01 08:09:44 -0300 | [diff] [blame] | 23 | #include "cx231xx.h" |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 24 | #include <linux/init.h> |
| 25 | #include <linux/list.h> |
| 26 | #include <linux/module.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 27 | #include <linux/slab.h> |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 28 | #include <linux/vmalloc.h> |
| 29 | #include <media/v4l2-common.h> |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 30 | #include <media/tuner.h> |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 31 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 32 | #include "cx231xx-reg.h" |
| 33 | |
| 34 | /* #define ENABLE_DEBUG_ISOC_FRAMES */ |
| 35 | |
| 36 | static unsigned int core_debug; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 37 | module_param(core_debug, int, 0644); |
| 38 | MODULE_PARM_DESC(core_debug, "enable debug messages [core]"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 39 | |
| 40 | #define cx231xx_coredbg(fmt, arg...) do {\ |
| 41 | if (core_debug) \ |
| 42 | printk(KERN_INFO "%s %s :"fmt, \ |
| 43 | dev->name, __func__ , ##arg); } while (0) |
| 44 | |
| 45 | static unsigned int reg_debug; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 46 | module_param(reg_debug, int, 0644); |
| 47 | MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 48 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 49 | static int alt = CX231XX_PINOUT; |
| 50 | module_param(alt, int, 0644); |
| 51 | MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); |
| 52 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 53 | #define cx231xx_isocdbg(fmt, arg...) do {\ |
| 54 | if (core_debug) \ |
| 55 | printk(KERN_INFO "%s %s :"fmt, \ |
| 56 | dev->name, __func__ , ##arg); } while (0) |
| 57 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 58 | /***************************************************************** |
| 59 | * Device control list functions * |
| 60 | ******************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 61 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 62 | LIST_HEAD(cx231xx_devlist); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 63 | static DEFINE_MUTEX(cx231xx_devlist_mutex); |
| 64 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 65 | /* |
| 66 | * cx231xx_realease_resources() |
| 67 | * unregisters the v4l2,i2c and usb devices |
| 68 | * called when the device gets disconected or at module unload |
| 69 | */ |
| 70 | void cx231xx_remove_from_devlist(struct cx231xx *dev) |
| 71 | { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 72 | if (dev == NULL) |
| 73 | return; |
| 74 | if (dev->udev == NULL) |
| 75 | return; |
| 76 | |
| 77 | if (atomic_read(&dev->devlist_count) > 0) { |
| 78 | mutex_lock(&cx231xx_devlist_mutex); |
| 79 | list_del(&dev->devlist); |
| 80 | atomic_dec(&dev->devlist_count); |
| 81 | mutex_unlock(&cx231xx_devlist_mutex); |
| 82 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 83 | }; |
| 84 | |
| 85 | void cx231xx_add_into_devlist(struct cx231xx *dev) |
| 86 | { |
| 87 | mutex_lock(&cx231xx_devlist_mutex); |
| 88 | list_add_tail(&dev->devlist, &cx231xx_devlist); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 89 | atomic_inc(&dev->devlist_count); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 90 | mutex_unlock(&cx231xx_devlist_mutex); |
| 91 | }; |
| 92 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 93 | static LIST_HEAD(cx231xx_extension_devlist); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 94 | |
| 95 | int cx231xx_register_extension(struct cx231xx_ops *ops) |
| 96 | { |
| 97 | struct cx231xx *dev = NULL; |
| 98 | |
| 99 | mutex_lock(&cx231xx_devlist_mutex); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 100 | list_add_tail(&ops->next, &cx231xx_extension_devlist); |
Mauro Carvalho Chehab | fb1817e | 2014-11-02 08:13:54 -0300 | [diff] [blame] | 101 | list_for_each_entry(dev, &cx231xx_devlist, devlist) { |
Dan Carpenter | a9fac6b | 2010-03-28 08:29:35 -0300 | [diff] [blame] | 102 | ops->init(dev); |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 103 | dev_info(dev->dev, "%s initialized\n", ops->name); |
Mauro Carvalho Chehab | fb1817e | 2014-11-02 08:13:54 -0300 | [diff] [blame] | 104 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 105 | mutex_unlock(&cx231xx_devlist_mutex); |
| 106 | return 0; |
| 107 | } |
| 108 | EXPORT_SYMBOL(cx231xx_register_extension); |
| 109 | |
| 110 | void cx231xx_unregister_extension(struct cx231xx_ops *ops) |
| 111 | { |
| 112 | struct cx231xx *dev = NULL; |
| 113 | |
| 114 | mutex_lock(&cx231xx_devlist_mutex); |
Mauro Carvalho Chehab | fb1817e | 2014-11-02 08:13:54 -0300 | [diff] [blame] | 115 | list_for_each_entry(dev, &cx231xx_devlist, devlist) { |
Dan Carpenter | a9fac6b | 2010-03-28 08:29:35 -0300 | [diff] [blame] | 116 | ops->fini(dev); |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 117 | dev_info(dev->dev, "%s removed\n", ops->name); |
Mauro Carvalho Chehab | fb1817e | 2014-11-02 08:13:54 -0300 | [diff] [blame] | 118 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 119 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 120 | list_del(&ops->next); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 121 | mutex_unlock(&cx231xx_devlist_mutex); |
| 122 | } |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 123 | EXPORT_SYMBOL(cx231xx_unregister_extension); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 124 | |
| 125 | void cx231xx_init_extension(struct cx231xx *dev) |
| 126 | { |
| 127 | struct cx231xx_ops *ops = NULL; |
| 128 | |
Devin Heitmueller | 761f6cf | 2010-07-06 19:24:19 -0300 | [diff] [blame] | 129 | mutex_lock(&cx231xx_devlist_mutex); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 130 | if (!list_empty(&cx231xx_extension_devlist)) { |
| 131 | list_for_each_entry(ops, &cx231xx_extension_devlist, next) { |
| 132 | if (ops->init) |
| 133 | ops->init(dev); |
| 134 | } |
| 135 | } |
Devin Heitmueller | 761f6cf | 2010-07-06 19:24:19 -0300 | [diff] [blame] | 136 | mutex_unlock(&cx231xx_devlist_mutex); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | void cx231xx_close_extension(struct cx231xx *dev) |
| 140 | { |
| 141 | struct cx231xx_ops *ops = NULL; |
| 142 | |
Devin Heitmueller | 761f6cf | 2010-07-06 19:24:19 -0300 | [diff] [blame] | 143 | mutex_lock(&cx231xx_devlist_mutex); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 144 | if (!list_empty(&cx231xx_extension_devlist)) { |
| 145 | list_for_each_entry(ops, &cx231xx_extension_devlist, next) { |
| 146 | if (ops->fini) |
| 147 | ops->fini(dev); |
| 148 | } |
| 149 | } |
Devin Heitmueller | 761f6cf | 2010-07-06 19:24:19 -0300 | [diff] [blame] | 150 | mutex_unlock(&cx231xx_devlist_mutex); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 151 | } |
| 152 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 153 | /**************************************************************** |
| 154 | * U S B related functions * |
| 155 | *****************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 156 | int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 157 | struct cx231xx_i2c_xfer_data *req_data) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 158 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 159 | int status = 0; |
| 160 | struct cx231xx *dev = i2c_bus->dev; |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 161 | struct VENDOR_REQUEST_IN ven_req; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 162 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 163 | u8 saddr_len = 0; |
| 164 | u8 _i2c_period = 0; |
| 165 | u8 _i2c_nostop = 0; |
| 166 | u8 _i2c_reserve = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 167 | |
Mauro Carvalho Chehab | 7528cd2 | 2012-01-10 09:20:01 -0200 | [diff] [blame] | 168 | if (dev->state & DEV_DISCONNECTED) |
| 169 | return -ENODEV; |
| 170 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 171 | /* Get the I2C period, nostop and reserve parameters */ |
| 172 | _i2c_period = i2c_bus->i2c_period; |
| 173 | _i2c_nostop = i2c_bus->i2c_nostop; |
| 174 | _i2c_reserve = i2c_bus->i2c_reserve; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 175 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 176 | saddr_len = req_data->saddr_len; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 177 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 178 | /* Set wValue */ |
Nicholas Mc Guire | 9713883 | 2015-02-04 10:03:11 -0300 | [diff] [blame] | 179 | ven_req.wValue = (req_data->dev_addr << 9 | _i2c_period << 4 | |
| 180 | saddr_len << 2 | _i2c_nostop << 1 | I2C_SYNC | |
| 181 | _i2c_reserve << 6); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 182 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 183 | /* set channel number */ |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 184 | if (req_data->direction & I2C_M_RD) { |
| 185 | /* channel number, for read,spec required channel_num +4 */ |
| 186 | ven_req.bRequest = i2c_bus->nr + 4; |
| 187 | } else |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 188 | ven_req.bRequest = i2c_bus->nr; /* channel number, */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 189 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 190 | /* set index value */ |
| 191 | switch (saddr_len) { |
| 192 | case 0: |
| 193 | ven_req.wIndex = 0; /* need check */ |
| 194 | break; |
| 195 | case 1: |
| 196 | ven_req.wIndex = (req_data->saddr_dat & 0xff); |
| 197 | break; |
| 198 | case 2: |
| 199 | ven_req.wIndex = req_data->saddr_dat; |
| 200 | break; |
| 201 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 202 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 203 | /* set wLength value */ |
| 204 | ven_req.wLength = req_data->buf_size; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 205 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 206 | /* set bData value */ |
| 207 | ven_req.bData = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 208 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 209 | /* set the direction */ |
| 210 | if (req_data->direction) { |
| 211 | ven_req.direction = USB_DIR_IN; |
| 212 | memset(req_data->p_buffer, 0x00, ven_req.wLength); |
| 213 | } else |
| 214 | ven_req.direction = USB_DIR_OUT; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 215 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 216 | /* set the buffer for read / write */ |
| 217 | ven_req.pBuff = req_data->p_buffer; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 218 | |
| 219 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 220 | /* call common vendor command request */ |
| 221 | status = cx231xx_send_vendor_cmd(dev, &ven_req); |
Mauro Carvalho Chehab | 77e97ba | 2014-11-01 10:06:12 -0300 | [diff] [blame] | 222 | if (status < 0 && !dev->i2c_scan_running) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 223 | dev_err(dev->dev, "%s: failed with status -%d\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 224 | __func__, status); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 225 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 226 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 227 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 228 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 229 | EXPORT_SYMBOL_GPL(cx231xx_send_usb_command); |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 230 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 231 | /* |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 232 | * Sends/Receives URB control messages, assuring to use a kalloced buffer |
| 233 | * for all operations (dev->urb_buf), to avoid using stacked buffers, as |
| 234 | * they aren't safe for usage with USB, due to DMA restrictions. |
| 235 | * Also implements the debug code for control URB's. |
| 236 | */ |
| 237 | static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe, |
| 238 | __u8 request, __u8 requesttype, __u16 value, __u16 index, |
| 239 | void *data, __u16 size, int timeout) |
| 240 | { |
| 241 | int rc, i; |
| 242 | |
| 243 | if (reg_debug) { |
| 244 | printk(KERN_DEBUG "%s: (pipe 0x%08x): " |
| 245 | "%s: %02x %02x %02x %02x %02x %02x %02x %02x ", |
| 246 | dev->name, |
| 247 | pipe, |
| 248 | (requesttype & USB_DIR_IN) ? "IN" : "OUT", |
| 249 | requesttype, |
| 250 | request, |
| 251 | value & 0xff, value >> 8, |
| 252 | index & 0xff, index >> 8, |
| 253 | size & 0xff, size >> 8); |
| 254 | if (!(requesttype & USB_DIR_IN)) { |
| 255 | printk(KERN_CONT ">>>"); |
| 256 | for (i = 0; i < size; i++) |
| 257 | printk(KERN_CONT " %02x", |
| 258 | ((unsigned char *)data)[i]); |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | /* Do the real call to usb_control_msg */ |
| 263 | mutex_lock(&dev->ctrl_urb_lock); |
| 264 | if (!(requesttype & USB_DIR_IN) && size) |
| 265 | memcpy(dev->urb_buf, data, size); |
| 266 | rc = usb_control_msg(dev->udev, pipe, request, requesttype, value, |
| 267 | index, dev->urb_buf, size, timeout); |
| 268 | if ((requesttype & USB_DIR_IN) && size) |
| 269 | memcpy(data, dev->urb_buf, size); |
| 270 | mutex_unlock(&dev->ctrl_urb_lock); |
| 271 | |
| 272 | if (reg_debug) { |
| 273 | if (unlikely(rc < 0)) { |
| 274 | printk(KERN_CONT "FAILED!\n"); |
| 275 | return rc; |
| 276 | } |
| 277 | |
| 278 | if ((requesttype & USB_DIR_IN)) { |
| 279 | printk(KERN_CONT "<<<"); |
| 280 | for (i = 0; i < size; i++) |
| 281 | printk(KERN_CONT " %02x", |
| 282 | ((unsigned char *)data)[i]); |
| 283 | } |
| 284 | printk(KERN_CONT "\n"); |
| 285 | } |
| 286 | |
| 287 | return rc; |
| 288 | } |
| 289 | |
| 290 | |
| 291 | /* |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 292 | * cx231xx_read_ctrl_reg() |
| 293 | * reads data from the usb device specifying bRequest and wValue |
| 294 | */ |
| 295 | int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 296 | char *buf, int len) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 297 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 298 | u8 val = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 299 | int ret; |
| 300 | int pipe = usb_rcvctrlpipe(dev->udev, 0); |
| 301 | |
| 302 | if (dev->state & DEV_DISCONNECTED) |
| 303 | return -ENODEV; |
| 304 | |
| 305 | if (len > URB_MAX_CTRL_SIZE) |
| 306 | return -EINVAL; |
| 307 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 308 | switch (len) { |
| 309 | case 1: |
| 310 | val = ENABLE_ONE_BYTE; |
| 311 | break; |
| 312 | case 2: |
| 313 | val = ENABLE_TWE_BYTE; |
| 314 | break; |
| 315 | case 3: |
| 316 | val = ENABLE_THREE_BYTE; |
| 317 | break; |
| 318 | case 4: |
| 319 | val = ENABLE_FOUR_BYTE; |
| 320 | break; |
| 321 | default: |
| 322 | val = 0xFF; /* invalid option */ |
| 323 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 324 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 325 | if (val == 0xFF) |
| 326 | return -EINVAL; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 327 | |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 328 | ret = __usb_control_msg(dev, pipe, req, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 329 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 330 | val, reg, buf, len, HZ); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 331 | return ret; |
| 332 | } |
| 333 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 334 | int cx231xx_send_vendor_cmd(struct cx231xx *dev, |
| 335 | struct VENDOR_REQUEST_IN *ven_req) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 336 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 337 | int ret; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 338 | int pipe = 0; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 339 | int unsend_size = 0; |
| 340 | u8 *pdata; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 341 | |
| 342 | if (dev->state & DEV_DISCONNECTED) |
| 343 | return -ENODEV; |
| 344 | |
| 345 | if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) |
| 346 | return -EINVAL; |
| 347 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 348 | if (ven_req->direction) |
| 349 | pipe = usb_rcvctrlpipe(dev->udev, 0); |
| 350 | else |
| 351 | pipe = usb_sndctrlpipe(dev->udev, 0); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 352 | |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 353 | /* |
| 354 | * If the cx23102 read more than 4 bytes with i2c bus, |
| 355 | * need chop to 4 byte per request |
| 356 | */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 357 | if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || |
| 358 | (ven_req->bRequest == 0x5) || |
| 359 | (ven_req->bRequest == 0x6))) { |
| 360 | unsend_size = 0; |
| 361 | pdata = ven_req->pBuff; |
| 362 | |
| 363 | |
| 364 | unsend_size = ven_req->wLength; |
| 365 | |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 366 | /* the first package */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 367 | ven_req->wValue = ven_req->wValue & 0xFFFB; |
| 368 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 369 | ret = __usb_control_msg(dev, pipe, ven_req->bRequest, |
| 370 | ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 371 | ven_req->wValue, ven_req->wIndex, pdata, |
| 372 | 0x0004, HZ); |
| 373 | unsend_size = unsend_size - 4; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 374 | |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 375 | /* the middle package */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 376 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; |
| 377 | while (unsend_size - 4 > 0) { |
| 378 | pdata = pdata + 4; |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 379 | ret = __usb_control_msg(dev, pipe, |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 380 | ven_req->bRequest, |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 381 | ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 382 | ven_req->wValue, ven_req->wIndex, pdata, |
| 383 | 0x0004, HZ); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 384 | unsend_size = unsend_size - 4; |
| 385 | } |
| 386 | |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 387 | /* the last package */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 388 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; |
| 389 | pdata = pdata + 4; |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 390 | ret = __usb_control_msg(dev, pipe, ven_req->bRequest, |
| 391 | ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 392 | ven_req->wValue, ven_req->wIndex, pdata, |
| 393 | unsend_size, HZ); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 394 | } else { |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 395 | ret = __usb_control_msg(dev, pipe, ven_req->bRequest, |
| 396 | ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 397 | ven_req->wValue, ven_req->wIndex, |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 398 | ven_req->pBuff, ven_req->wLength, HZ); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 399 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 400 | |
| 401 | return ret; |
| 402 | } |
| 403 | |
| 404 | /* |
| 405 | * cx231xx_write_ctrl_reg() |
| 406 | * sends data to the usb device, specifying bRequest |
| 407 | */ |
| 408 | int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 409 | int len) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 410 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 411 | u8 val = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 412 | int ret; |
| 413 | int pipe = usb_sndctrlpipe(dev->udev, 0); |
| 414 | |
| 415 | if (dev->state & DEV_DISCONNECTED) |
| 416 | return -ENODEV; |
| 417 | |
| 418 | if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) |
| 419 | return -EINVAL; |
| 420 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 421 | switch (len) { |
| 422 | case 1: |
| 423 | val = ENABLE_ONE_BYTE; |
| 424 | break; |
| 425 | case 2: |
| 426 | val = ENABLE_TWE_BYTE; |
| 427 | break; |
| 428 | case 3: |
| 429 | val = ENABLE_THREE_BYTE; |
| 430 | break; |
| 431 | case 4: |
| 432 | val = ENABLE_FOUR_BYTE; |
| 433 | break; |
| 434 | default: |
| 435 | val = 0xFF; /* invalid option */ |
| 436 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 437 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 438 | if (val == 0xFF) |
| 439 | return -EINVAL; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 440 | |
| 441 | if (reg_debug) { |
| 442 | int byte; |
| 443 | |
| 444 | cx231xx_isocdbg("(pipe 0x%08x): " |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 445 | "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", |
| 446 | pipe, |
| 447 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 448 | req, 0, val, reg & 0xff, |
| 449 | reg >> 8, len & 0xff, len >> 8); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 450 | |
| 451 | for (byte = 0; byte < len; byte++) |
| 452 | cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); |
| 453 | cx231xx_isocdbg("\n"); |
| 454 | } |
| 455 | |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 456 | ret = __usb_control_msg(dev, pipe, req, |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 457 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
Mauro Carvalho Chehab | 24c80b6 | 2010-09-26 18:16:51 -0300 | [diff] [blame] | 458 | val, reg, buf, len, HZ); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 459 | |
| 460 | return ret; |
| 461 | } |
| 462 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 463 | /**************************************************************** |
| 464 | * USB Alternate Setting functions * |
| 465 | *****************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 466 | |
| 467 | int cx231xx_set_video_alternate(struct cx231xx *dev) |
| 468 | { |
| 469 | int errCode, prev_alt = dev->video_mode.alt; |
| 470 | unsigned int min_pkt_size = dev->width * 2 + 4; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 471 | u32 usb_interface_index = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 472 | |
| 473 | /* When image size is bigger than a certain value, |
| 474 | the frame size should be increased, otherwise, only |
| 475 | green screen will be received. |
| 476 | */ |
| 477 | if (dev->width * 2 * dev->height > 720 * 240 * 2) |
| 478 | min_pkt_size *= 2; |
| 479 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 480 | if (dev->width > 360) { |
| 481 | /* resolutions: 720,704,640 */ |
| 482 | dev->video_mode.alt = 3; |
| 483 | } else if (dev->width > 180) { |
| 484 | /* resolutions: 360,352,320,240 */ |
| 485 | dev->video_mode.alt = 2; |
| 486 | } else if (dev->width > 0) { |
| 487 | /* resolutions: 180,176,160,128,88 */ |
| 488 | dev->video_mode.alt = 1; |
| 489 | } else { |
| 490 | /* Change to alt0 BULK to release USB bandwidth */ |
| 491 | dev->video_mode.alt = 0; |
| 492 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 493 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 494 | if (dev->USE_ISO == 0) |
| 495 | dev->video_mode.alt = 0; |
| 496 | |
Devin Heitmueller | d5a1754 | 2010-07-08 17:20:04 -0300 | [diff] [blame] | 497 | cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 498 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 499 | /* Get the correct video interface Index */ |
| 500 | usb_interface_index = |
| 501 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 502 | video_index + 1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 503 | |
| 504 | if (dev->video_mode.alt != prev_alt) { |
| 505 | cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", |
| 506 | min_pkt_size, dev->video_mode.alt); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 507 | |
| 508 | if (dev->video_mode.alt_max_pkt_size != NULL) |
| 509 | dev->video_mode.max_pkt_size = |
| 510 | dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 511 | cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 512 | dev->video_mode.alt, |
| 513 | dev->video_mode.max_pkt_size); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 514 | errCode = |
| 515 | usb_set_interface(dev->udev, usb_interface_index, |
| 516 | dev->video_mode.alt); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 517 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 518 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 519 | "cannot change alt number to %d (error=%i)\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 520 | dev->video_mode.alt, errCode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 521 | return errCode; |
| 522 | } |
| 523 | } |
| 524 | return 0; |
| 525 | } |
| 526 | |
| 527 | int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) |
| 528 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 529 | int status = 0; |
| 530 | u32 usb_interface_index = 0; |
| 531 | u32 max_pkt_size = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 532 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 533 | switch (index) { |
| 534 | case INDEX_TS1: |
| 535 | usb_interface_index = |
| 536 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 537 | ts1_index + 1; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 538 | dev->ts1_mode.alt = alt; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 539 | if (dev->ts1_mode.alt_max_pkt_size != NULL) |
| 540 | max_pkt_size = dev->ts1_mode.max_pkt_size = |
| 541 | dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; |
| 542 | break; |
| 543 | case INDEX_TS2: |
| 544 | usb_interface_index = |
| 545 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 546 | ts2_index + 1; |
| 547 | break; |
| 548 | case INDEX_AUDIO: |
| 549 | usb_interface_index = |
| 550 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 551 | audio_index + 1; |
| 552 | dev->adev.alt = alt; |
| 553 | if (dev->adev.alt_max_pkt_size != NULL) |
| 554 | max_pkt_size = dev->adev.max_pkt_size = |
| 555 | dev->adev.alt_max_pkt_size[dev->adev.alt]; |
| 556 | break; |
| 557 | case INDEX_VIDEO: |
| 558 | usb_interface_index = |
| 559 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 560 | video_index + 1; |
| 561 | dev->video_mode.alt = alt; |
| 562 | if (dev->video_mode.alt_max_pkt_size != NULL) |
| 563 | max_pkt_size = dev->video_mode.max_pkt_size = |
| 564 | dev->video_mode.alt_max_pkt_size[dev->video_mode. |
| 565 | alt]; |
| 566 | break; |
| 567 | case INDEX_VANC: |
Mauro Carvalho Chehab | 2f86138 | 2011-01-31 22:12:15 -0300 | [diff] [blame] | 568 | if (dev->board.no_alt_vanc) |
| 569 | return 0; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 570 | usb_interface_index = |
| 571 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 572 | vanc_index + 1; |
| 573 | dev->vbi_mode.alt = alt; |
| 574 | if (dev->vbi_mode.alt_max_pkt_size != NULL) |
| 575 | max_pkt_size = dev->vbi_mode.max_pkt_size = |
| 576 | dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; |
| 577 | break; |
| 578 | case INDEX_HANC: |
| 579 | usb_interface_index = |
| 580 | dev->current_pcb_config.hs_config_info[0].interface_info. |
| 581 | hanc_index + 1; |
| 582 | dev->sliced_cc_mode.alt = alt; |
| 583 | if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) |
| 584 | max_pkt_size = dev->sliced_cc_mode.max_pkt_size = |
| 585 | dev->sliced_cc_mode.alt_max_pkt_size[dev-> |
| 586 | sliced_cc_mode. |
| 587 | alt]; |
| 588 | break; |
| 589 | default: |
| 590 | break; |
| 591 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 592 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 593 | if (alt > 0 && max_pkt_size == 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 594 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 595 | "can't change interface %d alt no. to %d: Max. Pkt size = 0\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 596 | usb_interface_index, alt); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 597 | /*To workaround error number=-71 on EP0 for videograbber, |
| 598 | need add following codes.*/ |
Mauro Carvalho Chehab | 2f86138 | 2011-01-31 22:12:15 -0300 | [diff] [blame] | 599 | if (dev->board.no_alt_vanc) |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 600 | return -1; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 601 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 602 | |
Devin Heitmueller | d5a1754 | 2010-07-08 17:20:04 -0300 | [diff] [blame] | 603 | cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u," |
| 604 | "Interface = %d\n", alt, max_pkt_size, |
| 605 | usb_interface_index); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 606 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 607 | if (usb_interface_index > 0) { |
| 608 | status = usb_set_interface(dev->udev, usb_interface_index, alt); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 609 | if (status < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 610 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 611 | "can't change interface %d alt no. to %d (err=%i)\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 612 | usb_interface_index, alt, status); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 613 | return status; |
| 614 | } |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 615 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 616 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 617 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 618 | } |
| 619 | EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); |
| 620 | |
| 621 | int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) |
| 622 | { |
| 623 | int rc = 0; |
| 624 | |
| 625 | if (!gpio) |
| 626 | return rc; |
| 627 | |
| 628 | /* Send GPIO reset sequences specified at board entry */ |
| 629 | while (gpio->sleep >= 0) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 630 | rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); |
| 631 | if (rc < 0) |
| 632 | return rc; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 633 | |
| 634 | if (gpio->sleep > 0) |
| 635 | msleep(gpio->sleep); |
| 636 | |
| 637 | gpio++; |
| 638 | } |
| 639 | return rc; |
| 640 | } |
| 641 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 642 | int cx231xx_demod_reset(struct cx231xx *dev) |
| 643 | { |
| 644 | |
| 645 | u8 status = 0; |
| 646 | u8 value[4] = { 0, 0, 0, 0 }; |
| 647 | |
| 648 | status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, |
| 649 | value, 4); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 650 | |
Devin Heitmueller | d5a1754 | 2010-07-08 17:20:04 -0300 | [diff] [blame] | 651 | cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, |
| 652 | value[0], value[1], value[2], value[3]); |
| 653 | |
| 654 | cx231xx_coredbg("Enter cx231xx_demod_reset()\n"); |
| 655 | |
Mauro Carvalho Chehab | 6962685 | 2015-04-29 10:00:39 -0300 | [diff] [blame] | 656 | value[1] = (u8) 0x3; |
| 657 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 658 | PWR_CTL_EN, value, 4); |
| 659 | msleep(10); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 660 | |
Mauro Carvalho Chehab | 6962685 | 2015-04-29 10:00:39 -0300 | [diff] [blame] | 661 | value[1] = (u8) 0x0; |
| 662 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 663 | PWR_CTL_EN, value, 4); |
| 664 | msleep(10); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 665 | |
Mauro Carvalho Chehab | 6962685 | 2015-04-29 10:00:39 -0300 | [diff] [blame] | 666 | value[1] = (u8) 0x3; |
| 667 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 668 | PWR_CTL_EN, value, 4); |
| 669 | msleep(10); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 670 | |
| 671 | status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, |
| 672 | value, 4); |
Devin Heitmueller | d5a1754 | 2010-07-08 17:20:04 -0300 | [diff] [blame] | 673 | |
| 674 | cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, |
| 675 | value[0], value[1], value[2], value[3]); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 676 | |
| 677 | return status; |
| 678 | } |
| 679 | EXPORT_SYMBOL_GPL(cx231xx_demod_reset); |
| 680 | int is_fw_load(struct cx231xx *dev) |
| 681 | { |
| 682 | return cx231xx_check_fw(dev); |
| 683 | } |
| 684 | EXPORT_SYMBOL_GPL(is_fw_load); |
| 685 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 686 | int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) |
| 687 | { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 688 | int errCode = 0; |
| 689 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 690 | if (dev->mode == set_mode) |
| 691 | return 0; |
| 692 | |
| 693 | if (set_mode == CX231XX_SUSPEND) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 694 | /* Set the chip in power saving mode */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 695 | dev->mode = set_mode; |
| 696 | } |
| 697 | |
| 698 | /* Resource is locked */ |
| 699 | if (dev->mode != CX231XX_SUSPEND) |
| 700 | return -EINVAL; |
| 701 | |
| 702 | dev->mode = set_mode; |
| 703 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 704 | if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { |
| 705 | /* set AGC mode to Digital */ |
| 706 | switch (dev->model) { |
| 707 | case CX231XX_BOARD_CNXT_CARRAERA: |
| 708 | case CX231XX_BOARD_CNXT_RDE_250: |
| 709 | case CX231XX_BOARD_CNXT_SHELBY: |
| 710 | case CX231XX_BOARD_CNXT_RDU_250: |
| 711 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); |
| 712 | break; |
| 713 | case CX231XX_BOARD_CNXT_RDE_253S: |
| 714 | case CX231XX_BOARD_CNXT_RDU_253S: |
Devin Heitmueller | b88ba61 | 2010-07-12 15:37:00 -0300 | [diff] [blame] | 715 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); |
| 716 | break; |
Michael Krufky | 1a50fdd | 2010-07-06 18:23:53 -0300 | [diff] [blame] | 717 | case CX231XX_BOARD_HAUPPAUGE_EXETER: |
Matthias Schwarzott | dd2e7dd | 2014-07-22 17:12:15 -0300 | [diff] [blame] | 718 | case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: |
Devin Heitmueller | b88ba61 | 2010-07-12 15:37:00 -0300 | [diff] [blame] | 719 | errCode = cx231xx_set_power_mode(dev, |
| 720 | POLARIS_AVMODE_DIGITAL); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 721 | break; |
| 722 | default: |
| 723 | break; |
| 724 | } |
| 725 | } else/* Set Analog Power mode */ { |
| 726 | /* set AGC mode to Analog */ |
| 727 | switch (dev->model) { |
| 728 | case CX231XX_BOARD_CNXT_CARRAERA: |
| 729 | case CX231XX_BOARD_CNXT_RDE_250: |
| 730 | case CX231XX_BOARD_CNXT_SHELBY: |
| 731 | case CX231XX_BOARD_CNXT_RDU_250: |
| 732 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); |
| 733 | break; |
| 734 | case CX231XX_BOARD_CNXT_RDE_253S: |
| 735 | case CX231XX_BOARD_CNXT_RDU_253S: |
Michael Krufky | 1a50fdd | 2010-07-06 18:23:53 -0300 | [diff] [blame] | 736 | case CX231XX_BOARD_HAUPPAUGE_EXETER: |
Matthias Schwarzott | dd2e7dd | 2014-07-22 17:12:15 -0300 | [diff] [blame] | 737 | case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: |
Mauro Carvalho Chehab | 9417bc6 | 2010-09-26 20:44:31 -0300 | [diff] [blame] | 738 | case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: |
Peter Moon | de8ae0d | 2011-06-08 15:54:19 -0300 | [diff] [blame] | 739 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: |
| 740 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 741 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); |
| 742 | break; |
| 743 | default: |
| 744 | break; |
| 745 | } |
| 746 | } |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 747 | |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 748 | return errCode ? -EINVAL : 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 749 | } |
| 750 | EXPORT_SYMBOL_GPL(cx231xx_set_mode); |
| 751 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 752 | int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) |
| 753 | { |
| 754 | int errCode = 0; |
Dan Carpenter | 20e01b2 | 2016-04-22 07:03:30 -0300 | [diff] [blame] | 755 | int actlen = -1; |
| 756 | int ret = -ENOMEM; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 757 | u32 *buffer; |
| 758 | |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 759 | buffer = kzalloc(4096, GFP_KERNEL); |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 760 | if (buffer == NULL) |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 761 | return -ENOMEM; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 762 | memcpy(&buffer[0], firmware, 4096); |
| 763 | |
| 764 | ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 765 | buffer, 4096, &actlen, 2000); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 766 | |
| 767 | if (ret) |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 768 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 769 | "bulk message failed: %d (%d/%d)", ret, |
| 770 | size, actlen); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 771 | else { |
| 772 | errCode = actlen != size ? -1 : 0; |
| 773 | } |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 774 | kfree(buffer); |
| 775 | return errCode; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 776 | } |
| 777 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 778 | /***************************************************************** |
| 779 | * URB Streaming functions * |
| 780 | ******************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 781 | |
| 782 | /* |
| 783 | * IRQ callback, called by URB callback |
| 784 | */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 785 | static void cx231xx_isoc_irq_callback(struct urb *urb) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 786 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 787 | struct cx231xx_dmaqueue *dma_q = urb->context; |
| 788 | struct cx231xx_video_mode *vmode = |
| 789 | container_of(dma_q, struct cx231xx_video_mode, vidq); |
| 790 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 791 | int i; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 792 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 793 | switch (urb->status) { |
| 794 | case 0: /* success */ |
| 795 | case -ETIMEDOUT: /* NAK */ |
| 796 | break; |
| 797 | case -ECONNRESET: /* kill */ |
| 798 | case -ENOENT: |
| 799 | case -ESHUTDOWN: |
| 800 | return; |
| 801 | default: /* error */ |
| 802 | cx231xx_isocdbg("urb completition error %d.\n", urb->status); |
| 803 | break; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 804 | } |
| 805 | |
| 806 | /* Copy data from URB */ |
| 807 | spin_lock(&dev->video_mode.slock); |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 808 | dev->video_mode.isoc_ctl.isoc_copy(dev, urb); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 809 | spin_unlock(&dev->video_mode.slock); |
| 810 | |
| 811 | /* Reset urb buffers */ |
| 812 | for (i = 0; i < urb->number_of_packets; i++) { |
| 813 | urb->iso_frame_desc[i].status = 0; |
| 814 | urb->iso_frame_desc[i].actual_length = 0; |
| 815 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 816 | |
| 817 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
| 818 | if (urb->status) { |
| 819 | cx231xx_isocdbg("urb resubmit failed (error=%i)\n", |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 820 | urb->status); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 821 | } |
| 822 | } |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 823 | /***************************************************************** |
| 824 | * URB Streaming functions * |
| 825 | ******************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 826 | |
| 827 | /* |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 828 | * IRQ callback, called by URB callback |
| 829 | */ |
| 830 | static void cx231xx_bulk_irq_callback(struct urb *urb) |
| 831 | { |
| 832 | struct cx231xx_dmaqueue *dma_q = urb->context; |
| 833 | struct cx231xx_video_mode *vmode = |
| 834 | container_of(dma_q, struct cx231xx_video_mode, vidq); |
| 835 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 836 | |
| 837 | switch (urb->status) { |
| 838 | case 0: /* success */ |
| 839 | case -ETIMEDOUT: /* NAK */ |
| 840 | break; |
| 841 | case -ECONNRESET: /* kill */ |
| 842 | case -ENOENT: |
| 843 | case -ESHUTDOWN: |
| 844 | return; |
| 845 | default: /* error */ |
| 846 | cx231xx_isocdbg("urb completition error %d.\n", urb->status); |
| 847 | break; |
| 848 | } |
| 849 | |
| 850 | /* Copy data from URB */ |
| 851 | spin_lock(&dev->video_mode.slock); |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 852 | dev->video_mode.bulk_ctl.bulk_copy(dev, urb); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 853 | spin_unlock(&dev->video_mode.slock); |
| 854 | |
| 855 | /* Reset urb buffers */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 856 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
| 857 | if (urb->status) { |
| 858 | cx231xx_isocdbg("urb resubmit failed (error=%i)\n", |
| 859 | urb->status); |
| 860 | } |
| 861 | } |
| 862 | /* |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 863 | * Stop and Deallocate URBs |
| 864 | */ |
| 865 | void cx231xx_uninit_isoc(struct cx231xx *dev) |
| 866 | { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 867 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 868 | struct urb *urb; |
| 869 | int i; |
| 870 | |
| 871 | cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); |
| 872 | |
| 873 | dev->video_mode.isoc_ctl.nfields = -1; |
| 874 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { |
| 875 | urb = dev->video_mode.isoc_ctl.urb[i]; |
| 876 | if (urb) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 877 | if (!irqs_disabled()) |
| 878 | usb_kill_urb(urb); |
| 879 | else |
| 880 | usb_unlink_urb(urb); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 881 | |
| 882 | if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { |
Daniel Mack | 997ea58 | 2010-04-12 13:17:25 +0200 | [diff] [blame] | 883 | usb_free_coherent(dev->udev, |
| 884 | urb->transfer_buffer_length, |
| 885 | dev->video_mode.isoc_ctl. |
| 886 | transfer_buffer[i], |
| 887 | urb->transfer_dma); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 888 | } |
| 889 | usb_free_urb(urb); |
| 890 | dev->video_mode.isoc_ctl.urb[i] = NULL; |
| 891 | } |
| 892 | dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; |
| 893 | } |
| 894 | |
| 895 | kfree(dev->video_mode.isoc_ctl.urb); |
| 896 | kfree(dev->video_mode.isoc_ctl.transfer_buffer); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 897 | kfree(dma_q->p_left_data); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 898 | |
| 899 | dev->video_mode.isoc_ctl.urb = NULL; |
| 900 | dev->video_mode.isoc_ctl.transfer_buffer = NULL; |
| 901 | dev->video_mode.isoc_ctl.num_bufs = 0; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 902 | dma_q->p_left_data = NULL; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 903 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 904 | if (dev->mode_tv == 0) |
| 905 | cx231xx_capture_start(dev, 0, Raw_Video); |
| 906 | else |
| 907 | cx231xx_capture_start(dev, 0, TS1_serial_mode); |
| 908 | |
| 909 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 910 | } |
| 911 | EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); |
| 912 | |
| 913 | /* |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 914 | * Stop and Deallocate URBs |
| 915 | */ |
| 916 | void cx231xx_uninit_bulk(struct cx231xx *dev) |
| 917 | { |
Terry Heo | ce3556b | 2015-09-22 05:18:05 -0300 | [diff] [blame] | 918 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 919 | struct urb *urb; |
| 920 | int i; |
| 921 | |
| 922 | cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); |
| 923 | |
| 924 | dev->video_mode.bulk_ctl.nfields = -1; |
| 925 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { |
| 926 | urb = dev->video_mode.bulk_ctl.urb[i]; |
| 927 | if (urb) { |
| 928 | if (!irqs_disabled()) |
| 929 | usb_kill_urb(urb); |
| 930 | else |
| 931 | usb_unlink_urb(urb); |
| 932 | |
| 933 | if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { |
| 934 | usb_free_coherent(dev->udev, |
| 935 | urb->transfer_buffer_length, |
Terry Heo | ce3556b | 2015-09-22 05:18:05 -0300 | [diff] [blame] | 936 | dev->video_mode.bulk_ctl. |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 937 | transfer_buffer[i], |
| 938 | urb->transfer_dma); |
| 939 | } |
| 940 | usb_free_urb(urb); |
| 941 | dev->video_mode.bulk_ctl.urb[i] = NULL; |
| 942 | } |
| 943 | dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; |
| 944 | } |
| 945 | |
| 946 | kfree(dev->video_mode.bulk_ctl.urb); |
| 947 | kfree(dev->video_mode.bulk_ctl.transfer_buffer); |
Terry Heo | ce3556b | 2015-09-22 05:18:05 -0300 | [diff] [blame] | 948 | kfree(dma_q->p_left_data); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 949 | |
| 950 | dev->video_mode.bulk_ctl.urb = NULL; |
| 951 | dev->video_mode.bulk_ctl.transfer_buffer = NULL; |
| 952 | dev->video_mode.bulk_ctl.num_bufs = 0; |
Terry Heo | ce3556b | 2015-09-22 05:18:05 -0300 | [diff] [blame] | 953 | dma_q->p_left_data = NULL; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 954 | |
| 955 | if (dev->mode_tv == 0) |
| 956 | cx231xx_capture_start(dev, 0, Raw_Video); |
| 957 | else |
| 958 | cx231xx_capture_start(dev, 0, TS1_serial_mode); |
| 959 | |
| 960 | |
| 961 | } |
| 962 | EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); |
| 963 | |
| 964 | /* |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 965 | * Allocate URBs and start IRQ |
| 966 | */ |
| 967 | int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 968 | int num_bufs, int max_pkt_size, |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 969 | int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 970 | { |
| 971 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
| 972 | int i; |
| 973 | int sb_size, pipe; |
| 974 | struct urb *urb; |
| 975 | int j, k; |
| 976 | int rc; |
| 977 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 978 | /* De-allocates all pending stuff */ |
| 979 | cx231xx_uninit_isoc(dev); |
| 980 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 981 | dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 982 | if (dma_q->p_left_data == NULL) |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 983 | return -ENOMEM; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 984 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 985 | dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; |
| 986 | dev->video_mode.isoc_ctl.num_bufs = num_bufs; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 987 | dma_q->pos = 0; |
| 988 | dma_q->is_partial_line = 0; |
| 989 | dma_q->last_sav = 0; |
| 990 | dma_q->current_field = -1; |
| 991 | dma_q->field1_done = 0; |
| 992 | dma_q->lines_per_field = dev->height / 2; |
| 993 | dma_q->bytes_left_in_line = dev->width << 1; |
| 994 | dma_q->lines_completed = 0; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 995 | dma_q->mpeg_buffer_done = 0; |
| 996 | dma_q->left_data_count = 0; |
| 997 | dma_q->mpeg_buffer_completed = 0; |
| 998 | dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; |
| 999 | dma_q->ps_head[0] = 0x00; |
| 1000 | dma_q->ps_head[1] = 0x00; |
| 1001 | dma_q->ps_head[2] = 0x01; |
| 1002 | dma_q->ps_head[3] = 0xBA; |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1003 | for (i = 0; i < 8; i++) |
| 1004 | dma_q->partial_buf[i] = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1005 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1006 | dev->video_mode.isoc_ctl.urb = |
| 1007 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1008 | if (!dev->video_mode.isoc_ctl.urb) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1009 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1010 | "cannot alloc memory for usb buffers\n"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1011 | return -ENOMEM; |
| 1012 | } |
| 1013 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1014 | dev->video_mode.isoc_ctl.transfer_buffer = |
| 1015 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1016 | if (!dev->video_mode.isoc_ctl.transfer_buffer) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1017 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1018 | "cannot allocate memory for usbtransfer\n"); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1019 | kfree(dev->video_mode.isoc_ctl.urb); |
| 1020 | return -ENOMEM; |
| 1021 | } |
| 1022 | |
| 1023 | dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; |
| 1024 | dev->video_mode.isoc_ctl.buf = NULL; |
| 1025 | |
| 1026 | sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; |
| 1027 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1028 | if (dev->mode_tv == 1) |
| 1029 | dev->video_mode.end_point_addr = 0x81; |
| 1030 | else |
| 1031 | dev->video_mode.end_point_addr = 0x84; |
| 1032 | |
| 1033 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1034 | /* allocate urbs and transfer buffers */ |
| 1035 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { |
| 1036 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); |
| 1037 | if (!urb) { |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1038 | cx231xx_uninit_isoc(dev); |
| 1039 | return -ENOMEM; |
| 1040 | } |
| 1041 | dev->video_mode.isoc_ctl.urb[i] = urb; |
| 1042 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1043 | dev->video_mode.isoc_ctl.transfer_buffer[i] = |
Daniel Mack | 997ea58 | 2010-04-12 13:17:25 +0200 | [diff] [blame] | 1044 | usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, |
| 1045 | &urb->transfer_dma); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1046 | if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1047 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1048 | "unable to allocate %i bytes for transfer buffer %i%s\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1049 | sb_size, i, |
| 1050 | in_interrupt() ? " while in int" : ""); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1051 | cx231xx_uninit_isoc(dev); |
| 1052 | return -ENOMEM; |
| 1053 | } |
| 1054 | memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); |
| 1055 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1056 | pipe = |
| 1057 | usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1058 | |
| 1059 | usb_fill_int_urb(urb, dev->udev, pipe, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1060 | dev->video_mode.isoc_ctl.transfer_buffer[i], |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1061 | sb_size, cx231xx_isoc_irq_callback, dma_q, 1); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1062 | |
| 1063 | urb->number_of_packets = max_packets; |
Thomas Petazzoni | 7a6f6c2 | 2012-01-07 09:52:37 -0300 | [diff] [blame] | 1064 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1065 | |
| 1066 | k = 0; |
| 1067 | for (j = 0; j < max_packets; j++) { |
| 1068 | urb->iso_frame_desc[j].offset = k; |
| 1069 | urb->iso_frame_desc[j].length = |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1070 | dev->video_mode.isoc_ctl.max_pkt_size; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1071 | k += dev->video_mode.isoc_ctl.max_pkt_size; |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | init_waitqueue_head(&dma_q->wq); |
| 1076 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1077 | /* submit urbs and enables IRQ */ |
| 1078 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1079 | rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], |
| 1080 | GFP_ATOMIC); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1081 | if (rc) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1082 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1083 | "submit of urb %i failed (error=%i)\n", i, |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1084 | rc); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1085 | cx231xx_uninit_isoc(dev); |
| 1086 | return rc; |
| 1087 | } |
| 1088 | } |
| 1089 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1090 | if (dev->mode_tv == 0) |
| 1091 | cx231xx_capture_start(dev, 1, Raw_Video); |
| 1092 | else |
| 1093 | cx231xx_capture_start(dev, 1, TS1_serial_mode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1094 | |
| 1095 | return 0; |
| 1096 | } |
| 1097 | EXPORT_SYMBOL_GPL(cx231xx_init_isoc); |
| 1098 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1099 | /* |
| 1100 | * Allocate URBs and start IRQ |
| 1101 | */ |
| 1102 | int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, |
| 1103 | int num_bufs, int max_pkt_size, |
| 1104 | int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) |
| 1105 | { |
| 1106 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
| 1107 | int i; |
| 1108 | int sb_size, pipe; |
| 1109 | struct urb *urb; |
| 1110 | int rc; |
| 1111 | |
| 1112 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
| 1113 | |
Devin Heitmueller | d5a1754 | 2010-07-08 17:20:04 -0300 | [diff] [blame] | 1114 | cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); |
| 1115 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1116 | video_mux(dev, dev->video_input); |
| 1117 | |
| 1118 | /* De-allocates all pending stuff */ |
| 1119 | cx231xx_uninit_bulk(dev); |
| 1120 | |
| 1121 | dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; |
| 1122 | dev->video_mode.bulk_ctl.num_bufs = num_bufs; |
| 1123 | dma_q->pos = 0; |
| 1124 | dma_q->is_partial_line = 0; |
| 1125 | dma_q->last_sav = 0; |
| 1126 | dma_q->current_field = -1; |
| 1127 | dma_q->field1_done = 0; |
| 1128 | dma_q->lines_per_field = dev->height / 2; |
| 1129 | dma_q->bytes_left_in_line = dev->width << 1; |
| 1130 | dma_q->lines_completed = 0; |
| 1131 | dma_q->mpeg_buffer_done = 0; |
| 1132 | dma_q->left_data_count = 0; |
| 1133 | dma_q->mpeg_buffer_completed = 0; |
| 1134 | dma_q->ps_head[0] = 0x00; |
| 1135 | dma_q->ps_head[1] = 0x00; |
| 1136 | dma_q->ps_head[2] = 0x01; |
| 1137 | dma_q->ps_head[3] = 0xBA; |
| 1138 | for (i = 0; i < 8; i++) |
| 1139 | dma_q->partial_buf[i] = 0; |
| 1140 | |
| 1141 | dev->video_mode.bulk_ctl.urb = |
| 1142 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); |
| 1143 | if (!dev->video_mode.bulk_ctl.urb) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1144 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1145 | "cannot alloc memory for usb buffers\n"); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1146 | return -ENOMEM; |
| 1147 | } |
| 1148 | |
| 1149 | dev->video_mode.bulk_ctl.transfer_buffer = |
| 1150 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); |
| 1151 | if (!dev->video_mode.bulk_ctl.transfer_buffer) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1152 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1153 | "cannot allocate memory for usbtransfer\n"); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1154 | kfree(dev->video_mode.bulk_ctl.urb); |
| 1155 | return -ENOMEM; |
| 1156 | } |
| 1157 | |
| 1158 | dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; |
| 1159 | dev->video_mode.bulk_ctl.buf = NULL; |
| 1160 | |
| 1161 | sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; |
| 1162 | |
| 1163 | if (dev->mode_tv == 1) |
| 1164 | dev->video_mode.end_point_addr = 0x81; |
| 1165 | else |
| 1166 | dev->video_mode.end_point_addr = 0x84; |
| 1167 | |
| 1168 | |
| 1169 | /* allocate urbs and transfer buffers */ |
| 1170 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { |
| 1171 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1172 | if (!urb) { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1173 | cx231xx_uninit_bulk(dev); |
| 1174 | return -ENOMEM; |
| 1175 | } |
| 1176 | dev->video_mode.bulk_ctl.urb[i] = urb; |
Thomas Petazzoni | 7a6f6c2 | 2012-01-07 09:52:37 -0300 | [diff] [blame] | 1177 | urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1178 | |
| 1179 | dev->video_mode.bulk_ctl.transfer_buffer[i] = |
| 1180 | usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, |
| 1181 | &urb->transfer_dma); |
| 1182 | if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1183 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1184 | "unable to allocate %i bytes for transfer buffer %i%s\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1185 | sb_size, i, |
| 1186 | in_interrupt() ? " while in int" : ""); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1187 | cx231xx_uninit_bulk(dev); |
| 1188 | return -ENOMEM; |
| 1189 | } |
| 1190 | memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); |
| 1191 | |
| 1192 | pipe = usb_rcvbulkpipe(dev->udev, |
| 1193 | dev->video_mode.end_point_addr); |
| 1194 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
| 1195 | dev->video_mode.bulk_ctl.transfer_buffer[i], |
| 1196 | sb_size, cx231xx_bulk_irq_callback, dma_q); |
| 1197 | } |
| 1198 | |
Terry Heo | ce3556b | 2015-09-22 05:18:05 -0300 | [diff] [blame] | 1199 | /* clear halt */ |
| 1200 | rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe); |
| 1201 | if (rc < 0) { |
| 1202 | dev_err(dev->dev, |
| 1203 | "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", |
| 1204 | rc); |
| 1205 | cx231xx_uninit_bulk(dev); |
| 1206 | return rc; |
| 1207 | } |
| 1208 | |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1209 | init_waitqueue_head(&dma_q->wq); |
| 1210 | |
| 1211 | /* submit urbs and enables IRQ */ |
| 1212 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { |
| 1213 | rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], |
| 1214 | GFP_ATOMIC); |
| 1215 | if (rc) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1216 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1217 | "submit of urb %i failed (error=%i)\n", i, rc); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1218 | cx231xx_uninit_bulk(dev); |
| 1219 | return rc; |
| 1220 | } |
| 1221 | } |
| 1222 | |
| 1223 | if (dev->mode_tv == 0) |
| 1224 | cx231xx_capture_start(dev, 1, Raw_Video); |
| 1225 | else |
| 1226 | cx231xx_capture_start(dev, 1, TS1_serial_mode); |
| 1227 | |
| 1228 | return 0; |
| 1229 | } |
| 1230 | EXPORT_SYMBOL_GPL(cx231xx_init_bulk); |
| 1231 | void cx231xx_stop_TS1(struct cx231xx *dev) |
| 1232 | { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1233 | u8 val[4] = { 0, 0, 0, 0 }; |
| 1234 | |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 1235 | val[0] = 0x00; |
| 1236 | val[1] = 0x03; |
| 1237 | val[2] = 0x00; |
| 1238 | val[3] = 0x00; |
| 1239 | cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 1240 | TS_MODE_REG, val, 4); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1241 | |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 1242 | val[0] = 0x00; |
| 1243 | val[1] = 0x70; |
| 1244 | val[2] = 0x04; |
| 1245 | val[3] = 0x00; |
| 1246 | cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 1247 | TS1_CFG_REG, val, 4); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1248 | } |
| 1249 | /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ |
| 1250 | void cx231xx_start_TS1(struct cx231xx *dev) |
| 1251 | { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1252 | u8 val[4] = { 0, 0, 0, 0 }; |
| 1253 | |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 1254 | val[0] = 0x03; |
| 1255 | val[1] = 0x03; |
| 1256 | val[2] = 0x00; |
| 1257 | val[3] = 0x00; |
| 1258 | cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 1259 | TS_MODE_REG, val, 4); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1260 | |
Hans Verkuil | da98350 | 2012-05-14 10:14:53 -0300 | [diff] [blame] | 1261 | val[0] = 0x04; |
| 1262 | val[1] = 0xA3; |
| 1263 | val[2] = 0x3B; |
| 1264 | val[3] = 0x00; |
| 1265 | cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
| 1266 | TS1_CFG_REG, val, 4); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1267 | } |
| 1268 | /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1269 | /***************************************************************** |
| 1270 | * Device Init/UnInit functions * |
| 1271 | ******************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1272 | int cx231xx_dev_init(struct cx231xx *dev) |
| 1273 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1274 | int errCode = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1275 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1276 | /* Initialize I2C bus */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1277 | |
| 1278 | /* External Master 1 Bus */ |
| 1279 | dev->i2c_bus[0].nr = 0; |
| 1280 | dev->i2c_bus[0].dev = dev; |
Michael Krufky | 1a50fdd | 2010-07-06 18:23:53 -0300 | [diff] [blame] | 1281 | dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1282 | dev->i2c_bus[0].i2c_nostop = 0; |
| 1283 | dev->i2c_bus[0].i2c_reserve = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1284 | |
| 1285 | /* External Master 2 Bus */ |
| 1286 | dev->i2c_bus[1].nr = 1; |
| 1287 | dev->i2c_bus[1].dev = dev; |
Michael Krufky | 1a50fdd | 2010-07-06 18:23:53 -0300 | [diff] [blame] | 1288 | dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1289 | dev->i2c_bus[1].i2c_nostop = 0; |
| 1290 | dev->i2c_bus[1].i2c_reserve = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1291 | |
| 1292 | /* Internal Master 3 Bus */ |
| 1293 | dev->i2c_bus[2].nr = 2; |
| 1294 | dev->i2c_bus[2].dev = dev; |
Mauro Carvalho Chehab | 9ab6691 | 2010-10-23 13:28:33 -0300 | [diff] [blame] | 1295 | dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1296 | dev->i2c_bus[2].i2c_nostop = 0; |
| 1297 | dev->i2c_bus[2].i2c_reserve = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1298 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1299 | /* register I2C buses */ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1300 | cx231xx_i2c_register(&dev->i2c_bus[0]); |
| 1301 | cx231xx_i2c_register(&dev->i2c_bus[1]); |
| 1302 | cx231xx_i2c_register(&dev->i2c_bus[2]); |
| 1303 | |
Peter Rosin | 05e0dfd | 2016-04-20 08:42:17 +0200 | [diff] [blame] | 1304 | errCode = cx231xx_i2c_mux_create(dev); |
| 1305 | if (errCode < 0) |
| 1306 | return errCode; |
Matthias Schwarzott | 15c212d | 2014-10-02 02:21:03 -0300 | [diff] [blame] | 1307 | cx231xx_i2c_mux_register(dev, 0); |
| 1308 | cx231xx_i2c_mux_register(dev, 1); |
| 1309 | |
Matthias Schwarzott | e4de03f | 2014-10-02 02:21:05 -0300 | [diff] [blame] | 1310 | /* scan the real bus segments in the order of physical port numbers */ |
| 1311 | cx231xx_do_i2c_scan(dev, I2C_0); |
| 1312 | cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); |
| 1313 | cx231xx_do_i2c_scan(dev, I2C_2); |
| 1314 | cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); |
| 1315 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1316 | /* init hardware */ |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1317 | /* Note : with out calling set power mode function, |
Sri Deevi | ecc67d1 | 2009-03-21 22:00:20 -0300 | [diff] [blame] | 1318 | afe can not be set up correctly */ |
Mauro Carvalho Chehab | 2f86138 | 2011-01-31 22:12:15 -0300 | [diff] [blame] | 1319 | if (dev->board.external_av) { |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1320 | errCode = cx231xx_set_power_mode(dev, |
| 1321 | POLARIS_AVMODE_ENXTERNAL_AV); |
| 1322 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1323 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1324 | "%s: Failed to set Power - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1325 | __func__, errCode); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1326 | return errCode; |
| 1327 | } |
| 1328 | } else { |
| 1329 | errCode = cx231xx_set_power_mode(dev, |
| 1330 | POLARIS_AVMODE_ANALOGT_TV); |
| 1331 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1332 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1333 | "%s: Failed to set Power - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1334 | __func__, errCode); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1335 | return errCode; |
| 1336 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1337 | } |
| 1338 | |
Mauro Carvalho Chehab | 2f86138 | 2011-01-31 22:12:15 -0300 | [diff] [blame] | 1339 | /* reset the Tuner, if it is a Xceive tuner */ |
| 1340 | if ((dev->board.tuner_type == TUNER_XC5000) || |
| 1341 | (dev->board.tuner_type == TUNER_XC2028)) |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1342 | cx231xx_gpio_set(dev, dev->board.tuner_gpio); |
| 1343 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1344 | /* initialize Colibri block */ |
Sri Deevi | ecc67d1 | 2009-03-21 22:00:20 -0300 | [diff] [blame] | 1345 | errCode = cx231xx_afe_init_super_block(dev, 0x23c); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1346 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1347 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1348 | "%s: cx231xx_afe init super block - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1349 | __func__, errCode); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1350 | return errCode; |
| 1351 | } |
Sri Deevi | ecc67d1 | 2009-03-21 22:00:20 -0300 | [diff] [blame] | 1352 | errCode = cx231xx_afe_init_channels(dev); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1353 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1354 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1355 | "%s: cx231xx_afe init channels - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1356 | __func__, errCode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1357 | return errCode; |
| 1358 | } |
| 1359 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1360 | /* Set DIF in By pass mode */ |
| 1361 | errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); |
| 1362 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1363 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1364 | "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1365 | __func__, errCode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1366 | return errCode; |
| 1367 | } |
| 1368 | |
Sri Deevi | ecc67d1 | 2009-03-21 22:00:20 -0300 | [diff] [blame] | 1369 | /* I2S block related functions */ |
| 1370 | errCode = cx231xx_i2s_blk_initialize(dev); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1371 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1372 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1373 | "%s: cx231xx_i2s block initialize - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1374 | __func__, errCode); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1375 | return errCode; |
| 1376 | } |
| 1377 | |
| 1378 | /* init control pins */ |
| 1379 | errCode = cx231xx_init_ctrl_pin_status(dev); |
| 1380 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1381 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1382 | "%s: cx231xx_init ctrl pins - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1383 | __func__, errCode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1384 | return errCode; |
| 1385 | } |
| 1386 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1387 | /* set AGC mode to Analog */ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1388 | switch (dev->model) { |
| 1389 | case CX231XX_BOARD_CNXT_CARRAERA: |
| 1390 | case CX231XX_BOARD_CNXT_RDE_250: |
| 1391 | case CX231XX_BOARD_CNXT_SHELBY: |
| 1392 | case CX231XX_BOARD_CNXT_RDU_250: |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1393 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1394 | break; |
| 1395 | case CX231XX_BOARD_CNXT_RDE_253S: |
| 1396 | case CX231XX_BOARD_CNXT_RDU_253S: |
Michael Krufky | 1a50fdd | 2010-07-06 18:23:53 -0300 | [diff] [blame] | 1397 | case CX231XX_BOARD_HAUPPAUGE_EXETER: |
Matthias Schwarzott | dd2e7dd | 2014-07-22 17:12:15 -0300 | [diff] [blame] | 1398 | case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: |
Mauro Carvalho Chehab | 9417bc6 | 2010-09-26 20:44:31 -0300 | [diff] [blame] | 1399 | case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: |
Peter Moon | de8ae0d | 2011-06-08 15:54:19 -0300 | [diff] [blame] | 1400 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: |
| 1401 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1402 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); |
| 1403 | break; |
| 1404 | default: |
| 1405 | break; |
| 1406 | } |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1407 | if (errCode < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1408 | dev_err(dev->dev, |
Mauro Carvalho Chehab | b7085c0 | 2014-11-02 07:21:44 -0300 | [diff] [blame] | 1409 | "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1410 | __func__, errCode); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1411 | return errCode; |
| 1412 | } |
| 1413 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1414 | /* set all alternate settings to zero initially */ |
| 1415 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); |
| 1416 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
| 1417 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); |
| 1418 | if (dev->board.has_dvb) |
| 1419 | cx231xx_set_alt_setting(dev, INDEX_TS1, 0); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1420 | |
Matthias Schwarzott | 660acd5 | 2014-10-02 02:21:04 -0300 | [diff] [blame] | 1421 | errCode = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1422 | return errCode; |
| 1423 | } |
| 1424 | EXPORT_SYMBOL_GPL(cx231xx_dev_init); |
| 1425 | |
| 1426 | void cx231xx_dev_uninit(struct cx231xx *dev) |
| 1427 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1428 | /* Un Initialize I2C bus */ |
Peter Rosin | 05e0dfd | 2016-04-20 08:42:17 +0200 | [diff] [blame] | 1429 | cx231xx_i2c_mux_unregister(dev); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1430 | cx231xx_i2c_unregister(&dev->i2c_bus[2]); |
| 1431 | cx231xx_i2c_unregister(&dev->i2c_bus[1]); |
| 1432 | cx231xx_i2c_unregister(&dev->i2c_bus[0]); |
| 1433 | } |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1434 | EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1435 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1436 | /***************************************************************** |
| 1437 | * G P I O related functions * |
| 1438 | ******************************************************************/ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1439 | int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1440 | u8 len, u8 request, u8 direction) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1441 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1442 | int status = 0; |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1443 | struct VENDOR_REQUEST_IN ven_req; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1444 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1445 | /* Set wValue */ |
| 1446 | ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1447 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1448 | /* set request */ |
| 1449 | if (!request) { |
| 1450 | if (direction) |
| 1451 | ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */ |
| 1452 | else |
| 1453 | ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */ |
| 1454 | } else { |
| 1455 | if (direction) |
| 1456 | ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */ |
| 1457 | else |
| 1458 | ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */ |
| 1459 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1460 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1461 | /* set index value */ |
| 1462 | ven_req.wIndex = (u16) (gpio_bit & 0xffff); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1463 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1464 | /* set wLength value */ |
| 1465 | ven_req.wLength = len; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1466 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1467 | /* set bData value */ |
| 1468 | ven_req.bData = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1469 | |
| 1470 | /* set the buffer for read / write */ |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1471 | ven_req.pBuff = gpio_val; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1472 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1473 | /* set the direction */ |
| 1474 | if (direction) { |
| 1475 | ven_req.direction = USB_DIR_IN; |
| 1476 | memset(ven_req.pBuff, 0x00, ven_req.wLength); |
| 1477 | } else |
| 1478 | ven_req.direction = USB_DIR_OUT; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1479 | |
| 1480 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1481 | /* call common vendor command request */ |
| 1482 | status = cx231xx_send_vendor_cmd(dev, &ven_req); |
| 1483 | if (status < 0) { |
Mauro Carvalho Chehab | 336fea9 | 2014-11-03 06:07:38 -0300 | [diff] [blame] | 1484 | dev_err(dev->dev, "%s: failed with status -%d\n", |
Mauro Carvalho Chehab | ed0e372 | 2014-11-01 08:59:03 -0300 | [diff] [blame] | 1485 | __func__, status); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1486 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1487 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1488 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1489 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1490 | EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); |
| 1491 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1492 | /***************************************************************** |
| 1493 | * C O N T R O L - Register R E A D / W R I T E functions * |
| 1494 | *****************************************************************/ |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1495 | int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) |
| 1496 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1497 | u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; |
| 1498 | u32 tmp = 0; |
| 1499 | int status = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1500 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1501 | status = |
| 1502 | cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); |
| 1503 | if (status < 0) |
| 1504 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1505 | |
Hans Verkuil | 3f9280a | 2014-08-21 11:34:02 -0300 | [diff] [blame] | 1506 | tmp = le32_to_cpu(*((__le32 *) value)); |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1507 | tmp |= mode; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1508 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1509 | value[0] = (u8) tmp; |
| 1510 | value[1] = (u8) (tmp >> 8); |
| 1511 | value[2] = (u8) (tmp >> 16); |
| 1512 | value[3] = (u8) (tmp >> 24); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1513 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1514 | status = |
| 1515 | cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1516 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1517 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1518 | } |
| 1519 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1520 | /***************************************************************** |
| 1521 | * I 2 C Internal C O N T R O L functions * |
| 1522 | *****************************************************************/ |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1523 | int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
| 1524 | u8 saddr_len, u32 *data, u8 data_len, int master) |
| 1525 | { |
| 1526 | int status = 0; |
| 1527 | struct cx231xx_i2c_xfer_data req_data; |
| 1528 | u8 value[64] = "0"; |
| 1529 | |
| 1530 | if (saddr_len == 0) |
| 1531 | saddr = 0; |
Dan Carpenter | fe04164 | 2010-12-23 16:38:53 -0300 | [diff] [blame] | 1532 | else if (saddr_len == 1) |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1533 | saddr &= 0xff; |
| 1534 | |
| 1535 | /* prepare xfer_data struct */ |
| 1536 | req_data.dev_addr = dev_addr >> 1; |
| 1537 | req_data.direction = I2C_M_RD; |
| 1538 | req_data.saddr_len = saddr_len; |
| 1539 | req_data.saddr_dat = saddr; |
| 1540 | req_data.buf_size = data_len; |
| 1541 | req_data.p_buffer = (u8 *) value; |
| 1542 | |
| 1543 | /* usb send command */ |
| 1544 | if (master == 0) |
| 1545 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], |
| 1546 | &req_data); |
| 1547 | else if (master == 1) |
| 1548 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], |
| 1549 | &req_data); |
| 1550 | else if (master == 2) |
| 1551 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], |
| 1552 | &req_data); |
| 1553 | |
| 1554 | if (status >= 0) { |
| 1555 | /* Copy the data read back to main buffer */ |
| 1556 | if (data_len == 1) |
| 1557 | *data = value[0]; |
| 1558 | else if (data_len == 4) |
| 1559 | *data = |
| 1560 | value[0] | value[1] << 8 | value[2] << 16 | value[3] |
| 1561 | << 24; |
| 1562 | else if (data_len > 4) |
| 1563 | *data = value[saddr]; |
| 1564 | } |
| 1565 | |
| 1566 | return status; |
| 1567 | } |
| 1568 | |
| 1569 | int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
| 1570 | u8 saddr_len, u32 data, u8 data_len, int master) |
| 1571 | { |
| 1572 | int status = 0; |
| 1573 | u8 value[4] = { 0, 0, 0, 0 }; |
| 1574 | struct cx231xx_i2c_xfer_data req_data; |
| 1575 | |
| 1576 | value[0] = (u8) data; |
| 1577 | value[1] = (u8) (data >> 8); |
| 1578 | value[2] = (u8) (data >> 16); |
| 1579 | value[3] = (u8) (data >> 24); |
| 1580 | |
| 1581 | if (saddr_len == 0) |
| 1582 | saddr = 0; |
Dan Carpenter | fe04164 | 2010-12-23 16:38:53 -0300 | [diff] [blame] | 1583 | else if (saddr_len == 1) |
Palash Bandyopadhyay | 64fbf44 | 2010-07-06 18:12:25 -0300 | [diff] [blame] | 1584 | saddr &= 0xff; |
| 1585 | |
| 1586 | /* prepare xfer_data struct */ |
| 1587 | req_data.dev_addr = dev_addr >> 1; |
| 1588 | req_data.direction = 0; |
| 1589 | req_data.saddr_len = saddr_len; |
| 1590 | req_data.saddr_dat = saddr; |
| 1591 | req_data.buf_size = data_len; |
| 1592 | req_data.p_buffer = value; |
| 1593 | |
| 1594 | /* usb send command */ |
| 1595 | if (master == 0) |
| 1596 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], |
| 1597 | &req_data); |
| 1598 | else if (master == 1) |
| 1599 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], |
| 1600 | &req_data); |
| 1601 | else if (master == 2) |
| 1602 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], |
| 1603 | &req_data); |
| 1604 | |
| 1605 | return status; |
| 1606 | } |
| 1607 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1608 | int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1609 | u8 saddr_len, u32 *data, u8 data_len) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1610 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1611 | int status = 0; |
| 1612 | struct cx231xx_i2c_xfer_data req_data; |
| 1613 | u8 value[4] = { 0, 0, 0, 0 }; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1614 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1615 | if (saddr_len == 0) |
| 1616 | saddr = 0; |
Dan Carpenter | fe04164 | 2010-12-23 16:38:53 -0300 | [diff] [blame] | 1617 | else if (saddr_len == 1) |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1618 | saddr &= 0xff; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1619 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1620 | /* prepare xfer_data struct */ |
| 1621 | req_data.dev_addr = dev_addr >> 1; |
| 1622 | req_data.direction = I2C_M_RD; |
| 1623 | req_data.saddr_len = saddr_len; |
| 1624 | req_data.saddr_dat = saddr; |
| 1625 | req_data.buf_size = data_len; |
| 1626 | req_data.p_buffer = (u8 *) value; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1627 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1628 | /* usb send command */ |
| 1629 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1630 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1631 | if (status >= 0) { |
| 1632 | /* Copy the data read back to main buffer */ |
| 1633 | if (data_len == 1) |
| 1634 | *data = value[0]; |
| 1635 | else |
| 1636 | *data = |
| 1637 | value[0] | value[1] << 8 | value[2] << 16 | value[3] |
| 1638 | << 24; |
| 1639 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1640 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1641 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1642 | } |
| 1643 | |
| 1644 | int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1645 | u8 saddr_len, u32 data, u8 data_len) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1646 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1647 | int status = 0; |
| 1648 | u8 value[4] = { 0, 0, 0, 0 }; |
| 1649 | struct cx231xx_i2c_xfer_data req_data; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1650 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1651 | value[0] = (u8) data; |
| 1652 | value[1] = (u8) (data >> 8); |
| 1653 | value[2] = (u8) (data >> 16); |
| 1654 | value[3] = (u8) (data >> 24); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1655 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1656 | if (saddr_len == 0) |
| 1657 | saddr = 0; |
Dan Carpenter | fe04164 | 2010-12-23 16:38:53 -0300 | [diff] [blame] | 1658 | else if (saddr_len == 1) |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1659 | saddr &= 0xff; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1660 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1661 | /* prepare xfer_data struct */ |
| 1662 | req_data.dev_addr = dev_addr >> 1; |
| 1663 | req_data.direction = 0; |
| 1664 | req_data.saddr_len = saddr_len; |
| 1665 | req_data.saddr_dat = saddr; |
| 1666 | req_data.buf_size = data_len; |
| 1667 | req_data.p_buffer = value; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1668 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1669 | /* usb send command */ |
| 1670 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1671 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1672 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1673 | } |
| 1674 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1675 | int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, |
| 1676 | u16 register_address, u8 bit_start, u8 bit_end, |
| 1677 | u32 value) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1678 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1679 | int status = 0; |
| 1680 | u32 tmp; |
| 1681 | u32 mask = 0; |
| 1682 | int i; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1683 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1684 | if (bit_start > (size - 1) || bit_end > (size - 1)) |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1685 | return -1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1686 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1687 | if (size == 8) { |
| 1688 | status = |
| 1689 | cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, |
| 1690 | &tmp, 1); |
| 1691 | } else { |
| 1692 | status = |
| 1693 | cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, |
| 1694 | &tmp, 4); |
| 1695 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1696 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1697 | if (status < 0) |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1698 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1699 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1700 | mask = 1 << bit_end; |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1701 | for (i = bit_end; i > bit_start && i > 0; i--) |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1702 | mask = mask + (1 << (i - 1)); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1703 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1704 | value <<= bit_start; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1705 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1706 | if (size == 8) { |
| 1707 | tmp &= ~mask; |
| 1708 | tmp |= value; |
| 1709 | tmp &= 0xff; |
| 1710 | status = |
| 1711 | cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, |
| 1712 | tmp, 1); |
| 1713 | } else { |
| 1714 | tmp &= ~mask; |
| 1715 | tmp |= value; |
| 1716 | status = |
| 1717 | cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, |
| 1718 | tmp, 4); |
| 1719 | } |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1720 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1721 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1722 | } |
| 1723 | |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1724 | int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1725 | u16 saddr, u32 mask, u32 value) |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1726 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1727 | u32 temp; |
| 1728 | int status = 0; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1729 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1730 | status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1731 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1732 | if (status < 0) |
| 1733 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1734 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1735 | temp &= ~mask; |
| 1736 | temp |= value; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1737 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1738 | status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1739 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1740 | return status; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1741 | } |
| 1742 | |
| 1743 | u32 cx231xx_set_field(u32 field_mask, u32 data) |
| 1744 | { |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1745 | u32 temp; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1746 | |
Sri Deevi | b925517 | 2009-03-04 17:49:01 -0300 | [diff] [blame] | 1747 | for (temp = field_mask; (temp & 1) == 0; temp >>= 1) |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1748 | data <<= 1; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1749 | |
Mauro Carvalho Chehab | 84b5dbf | 2009-03-03 06:14:34 -0300 | [diff] [blame] | 1750 | return data; |
Sri Deevi | e0d3baf | 2009-03-03 14:37:50 -0300 | [diff] [blame] | 1751 | } |