Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: teles_cs.c,v 1.1.2.2 2004/01/25 15:07:06 keil Exp $ */ |
| 2 | /*====================================================================== |
| 3 | |
| 4 | A teles S0 PCMCIA client driver |
| 5 | |
| 6 | Based on skeleton by David Hinds, dhinds@allegro.stanford.edu |
| 7 | Written by Christof Petig, christof.petig@wtal.de |
| 8 | |
| 9 | Also inspired by ELSA PCMCIA driver |
| 10 | by Klaus Lichtenwalder <Lichtenwalder@ACM.org> |
| 11 | |
| 12 | Extentions to new hisax_pcmcia by Karsten Keil |
| 13 | |
| 14 | minor changes to be compatible with kernel 2.4.x |
| 15 | by Jan.Schubert@GMX.li |
| 16 | |
| 17 | ======================================================================*/ |
| 18 | |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/ptrace.h> |
| 23 | #include <linux/slab.h> |
| 24 | #include <linux/string.h> |
| 25 | #include <linux/timer.h> |
| 26 | #include <linux/ioport.h> |
| 27 | #include <asm/io.h> |
| 28 | #include <asm/system.h> |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <pcmcia/cs.h> |
| 31 | #include <pcmcia/cistpl.h> |
| 32 | #include <pcmcia/cisreg.h> |
| 33 | #include <pcmcia/ds.h> |
| 34 | #include "hisax_cfg.h" |
| 35 | |
| 36 | MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Teles PCMCIA cards"); |
| 37 | MODULE_AUTHOR("Christof Petig, christof.petig@wtal.de, Karsten Keil, kkeil@suse.de"); |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
| 41 | /*====================================================================*/ |
| 42 | |
| 43 | /* Parameters that can be set with 'insmod' */ |
| 44 | |
| 45 | static int protocol = 2; /* EURO-ISDN Default */ |
| 46 | module_param(protocol, int, 0); |
| 47 | |
| 48 | /*====================================================================*/ |
| 49 | |
| 50 | /* |
| 51 | The event() function is this driver's Card Services event handler. |
| 52 | It will be called by Card Services when an appropriate card status |
| 53 | event is received. The config() and release() entry points are |
| 54 | used to configure or release a socket, in response to card insertion |
| 55 | and ejection events. They are invoked from the teles_cs event |
| 56 | handler. |
| 57 | */ |
| 58 | |
Henne | 158e33d | 2010-03-25 12:05:30 +0000 | [diff] [blame] | 59 | static int teles_cs_config(struct pcmcia_device *link) __devinit ; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 60 | static void teles_cs_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
| 62 | /* |
| 63 | The attach() and detach() entry points are used to create and destroy |
| 64 | "instances" of the driver, where each instance represents everything |
| 65 | needed to manage one actual PCMCIA card. |
| 66 | */ |
| 67 | |
Henne | 158e33d | 2010-03-25 12:05:30 +0000 | [diff] [blame] | 68 | static void teles_detach(struct pcmcia_device *p_dev) __devexit ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | typedef struct local_info_t { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 71 | struct pcmcia_device *p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | int busy; |
| 73 | int cardnr; |
| 74 | } local_info_t; |
| 75 | |
| 76 | /*====================================================================== |
| 77 | |
| 78 | teles_attach() creates an "instance" of the driver, allocatingx |
| 79 | local data structures for one device. The device is registered |
| 80 | with Card Services. |
| 81 | |
| 82 | The dev_link structure is initialized, but we don't actually |
| 83 | configure the card at this point -- we wait until we receive a |
| 84 | card insertion event. |
| 85 | |
| 86 | ======================================================================*/ |
| 87 | |
Henne | 158e33d | 2010-03-25 12:05:30 +0000 | [diff] [blame] | 88 | static int __devinit teles_probe(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | local_info_t *local; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 92 | dev_dbg(&link->dev, "teles_attach()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | |
| 94 | /* Allocate space for private device-specific data */ |
Burman Yan | 41f9693 | 2006-12-08 02:39:35 -0800 | [diff] [blame] | 95 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 96 | if (!local) return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | local->cardnr = -1; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 98 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 99 | local->p_dev = link; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 100 | link->priv = local; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | /* |
| 103 | General socket configuration defaults can go here. In this |
| 104 | client, we assume very little, and rely on the CIS for almost |
| 105 | everything. In most clients, many details (i.e., number, sizes, |
| 106 | and attributes of IO windows) are fixed by the nature of the |
| 107 | device, and can be hard-wired here. |
| 108 | */ |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 109 | link->resource[0]->end = 96; |
| 110 | link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | |
| 112 | link->conf.Attributes = CONF_ENABLE_IRQ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 114 | return teles_cs_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | } /* teles_attach */ |
| 116 | |
| 117 | /*====================================================================== |
| 118 | |
| 119 | This deletes a driver "instance". The device is de-registered |
| 120 | with Card Services. If it has been released, all local data |
| 121 | structures are freed. Otherwise, the structures will be freed |
| 122 | when the device is released. |
| 123 | |
| 124 | ======================================================================*/ |
| 125 | |
Henne | 158e33d | 2010-03-25 12:05:30 +0000 | [diff] [blame] | 126 | static void __devexit teles_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | { |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 128 | local_info_t *info = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 130 | dev_dbg(&link->dev, "teles_detach(0x%p)\n", link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 132 | info->busy = 1; |
| 133 | teles_cs_release(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 135 | kfree(info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | } /* teles_detach */ |
| 137 | |
| 138 | /*====================================================================== |
| 139 | |
| 140 | teles_cs_config() is scheduled to run after a CARD_INSERTION event |
| 141 | is received, to configure the PCMCIA socket, and to make the |
| 142 | device available to the system. |
| 143 | |
| 144 | ======================================================================*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 146 | static int teles_cs_configcheck(struct pcmcia_device *p_dev, |
| 147 | cistpl_cftable_entry_t *cf, |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 148 | cistpl_cftable_entry_t *dflt, |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 149 | unsigned int vcc, |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 150 | void *priv_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | { |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 152 | int j; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 154 | p_dev->io_lines = 5; |
| 155 | |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 156 | if ((cf->io.nwin > 0) && cf->io.win[0].base) { |
| 157 | printk(KERN_INFO "(teles_cs: looks like the 96 model)\n"); |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 158 | p_dev->resource[0]->start = cf->io.win[0].base; |
| 159 | if (!pcmcia_request_io(p_dev)) |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 160 | return 0; |
| 161 | } else { |
| 162 | printk(KERN_INFO "(teles_cs: looks like the 97 model)\n"); |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 163 | for (j = 0x2f0; j > 0x100; j -= 0x10) { |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 164 | p_dev->resource[0]->start = j; |
| 165 | if (!pcmcia_request_io(p_dev)) |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 166 | return 0; |
| 167 | } |
| 168 | } |
| 169 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Henne | 158e33d | 2010-03-25 12:05:30 +0000 | [diff] [blame] | 172 | static int __devinit teles_cs_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | local_info_t *dev; |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 175 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | IsdnCard_t icard; |
| 177 | |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 178 | dev_dbg(&link->dev, "teles_config(0x%p)\n", link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | dev = link->priv; |
| 180 | |
Dominik Brodowski | 5fcd4da | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 181 | i = pcmcia_loop_config(link, teles_cs_configcheck, NULL); |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 182 | if (i != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | goto cs_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 185 | if (!link->irq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | goto cs_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 188 | i = pcmcia_request_configuration(link, &link->conf); |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 189 | if (i != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | goto cs_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | /* Finally, report what we've done */ |
Dominik Brodowski | ded6a1a | 2010-03-20 19:35:12 +0100 | [diff] [blame] | 193 | dev_info(&link->dev, "index 0x%02x:", |
Dominik Brodowski | 7feabb6 | 2010-07-29 18:35:47 +0200 | [diff] [blame^] | 194 | link->config_index); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | if (link->conf.Attributes & CONF_ENABLE_IRQ) |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 196 | printk(", irq %d", link->irq); |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 197 | if (link->resource[0]) |
| 198 | printk(" & %pR", link->resource[0]); |
| 199 | if (link->resource[1]) |
| 200 | printk(" & %pR", link->resource[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | printk("\n"); |
| 202 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 203 | icard.para[0] = link->irq; |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 204 | icard.para[1] = link->resource[0]->start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | icard.protocol = protocol; |
| 206 | icard.typ = ISDN_CTYPE_TELESPCMCIA; |
| 207 | |
| 208 | i = hisax_init_pcmcia(link, &(((local_info_t*)link->priv)->busy), &icard); |
| 209 | if (i < 0) { |
| 210 | printk(KERN_ERR "teles_cs: failed to initialize Teles PCMCIA %d at i/o %#x\n", |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 211 | i, (unsigned int) link->resource[0]->start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | teles_cs_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 213 | return -ENODEV; |
| 214 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 216 | ((local_info_t*)link->priv)->cardnr = i; |
| 217 | return 0; |
| 218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | cs_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | teles_cs_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 221 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | } /* teles_cs_config */ |
| 223 | |
| 224 | /*====================================================================== |
| 225 | |
| 226 | After a card is removed, teles_cs_release() will unregister the net |
| 227 | device, and release the PCMCIA configuration. If the device is |
| 228 | still open, this will be postponed until it is closed. |
| 229 | |
| 230 | ======================================================================*/ |
| 231 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 232 | static void teles_cs_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | { |
| 234 | local_info_t *local = link->priv; |
| 235 | |
Dominik Brodowski | e773cfe | 2009-10-24 15:50:13 +0200 | [diff] [blame] | 236 | dev_dbg(&link->dev, "teles_cs_release(0x%p)\n", link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | |
| 238 | if (local) { |
| 239 | if (local->cardnr >= 0) { |
| 240 | /* no unregister function with hisax */ |
| 241 | HiSax_closecard(local->cardnr); |
| 242 | } |
| 243 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 245 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | } /* teles_cs_release */ |
| 247 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 248 | static int teles_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 249 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 250 | local_info_t *dev = link->priv; |
| 251 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 252 | dev->busy = 1; |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 253 | |
| 254 | return 0; |
| 255 | } |
| 256 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 257 | static int teles_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 258 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 259 | local_info_t *dev = link->priv; |
| 260 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 261 | dev->busy = 0; |
| 262 | |
| 263 | return 0; |
| 264 | } |
| 265 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | |
Dominik Brodowski | 0a10d73 | 2005-06-27 16:28:24 -0700 | [diff] [blame] | 267 | static struct pcmcia_device_id teles_ids[] = { |
| 268 | PCMCIA_DEVICE_PROD_ID12("TELES", "S0/PC", 0x67b50eae, 0xe9e70119), |
| 269 | PCMCIA_DEVICE_NULL, |
| 270 | }; |
| 271 | MODULE_DEVICE_TABLE(pcmcia, teles_ids); |
| 272 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | static struct pcmcia_driver teles_cs_driver = { |
| 274 | .owner = THIS_MODULE, |
| 275 | .drv = { |
| 276 | .name = "teles_cs", |
| 277 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 278 | .probe = teles_probe, |
Henne | 158e33d | 2010-03-25 12:05:30 +0000 | [diff] [blame] | 279 | .remove = __devexit_p(teles_detach), |
Dominik Brodowski | 0a10d73 | 2005-06-27 16:28:24 -0700 | [diff] [blame] | 280 | .id_table = teles_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 281 | .suspend = teles_suspend, |
| 282 | .resume = teles_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | }; |
| 284 | |
| 285 | static int __init init_teles_cs(void) |
| 286 | { |
| 287 | return pcmcia_register_driver(&teles_cs_driver); |
| 288 | } |
| 289 | |
| 290 | static void __exit exit_teles_cs(void) |
| 291 | { |
| 292 | pcmcia_unregister_driver(&teles_cs_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | module_init(init_teles_cs); |
| 296 | module_exit(exit_teles_cs); |