Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Driver for 802.11b cards using RAM-loadable Symbol firmware, such as |
Pavel Roskin | 4ebe2eb | 2006-04-07 04:10:32 -0400 | [diff] [blame] | 3 | * Symbol Wireless Networker LA4137, CompactFlash cards by Socket |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 4 | * Communications and Intel PRO/Wireless 2011B. |
| 5 | * |
| 6 | * The driver implements Symbol firmware download. The rest is handled |
David Kilroy | 47445cb | 2009-02-04 23:05:48 +0000 | [diff] [blame] | 7 | * in hermes.c and main.c. |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 8 | * |
| 9 | * Utilities for downloading the Symbol firmware are available at |
| 10 | * http://sourceforge.net/projects/orinoco/ |
| 11 | * |
| 12 | * Copyright (C) 2002-2005 Pavel Roskin <proski@gnu.org> |
| 13 | * Portions based on orinoco_cs.c: |
| 14 | * Copyright (C) David Gibson, Linuxcare Australia |
| 15 | * Portions based on Spectrum24tDnld.c from original spectrum24 driver: |
| 16 | * Copyright (C) Symbol Technologies. |
| 17 | * |
David Kilroy | 47445cb | 2009-02-04 23:05:48 +0000 | [diff] [blame] | 18 | * See copyright notice in file main.c. |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | #define DRIVER_NAME "spectrum_cs" |
| 22 | #define PFX DRIVER_NAME ": " |
| 23 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 24 | #include <linux/module.h> |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/init.h> |
Pavel Roskin | ef846bf | 2005-09-23 04:18:07 -0400 | [diff] [blame] | 27 | #include <linux/delay.h> |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 28 | #include <pcmcia/cs.h> |
| 29 | #include <pcmcia/cistpl.h> |
| 30 | #include <pcmcia/cisreg.h> |
| 31 | #include <pcmcia/ds.h> |
| 32 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 33 | #include "orinoco.h" |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 34 | |
| 35 | /********************************************************************/ |
| 36 | /* Module stuff */ |
| 37 | /********************************************************************/ |
| 38 | |
| 39 | MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>"); |
| 40 | MODULE_DESCRIPTION("Driver for Symbol Spectrum24 Trilogy cards with firmware downloader"); |
| 41 | MODULE_LICENSE("Dual MPL/GPL"); |
| 42 | |
| 43 | /* Module parameters */ |
| 44 | |
| 45 | /* Some D-Link cards have buggy CIS. They do work at 5v properly, but |
| 46 | * don't have any CIS entry for it. This workaround it... */ |
| 47 | static int ignore_cis_vcc; /* = 0 */ |
| 48 | module_param(ignore_cis_vcc, int, 0); |
| 49 | MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket"); |
| 50 | |
| 51 | /********************************************************************/ |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 52 | /* Data structures */ |
| 53 | /********************************************************************/ |
| 54 | |
| 55 | /* PCMCIA specific device information (goes in the card field of |
| 56 | * struct orinoco_private */ |
| 57 | struct orinoco_pccard { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 58 | struct pcmcia_device *p_dev; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 59 | }; |
| 60 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 61 | /********************************************************************/ |
| 62 | /* Function prototypes */ |
| 63 | /********************************************************************/ |
| 64 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 65 | static int spectrum_cs_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 66 | static void spectrum_cs_release(struct pcmcia_device *link); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 67 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 68 | /* Constants for the CISREG_CCSR register */ |
| 69 | #define HCR_RUN 0x07 /* run firmware after reset */ |
| 70 | #define HCR_IDLE 0x0E /* don't run firmware after reset */ |
| 71 | #define HCR_MEM16 0x10 /* memory width bit, should be preserved */ |
| 72 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 73 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 74 | /* |
| 75 | * Reset the card using configuration registers COR and CCSR. |
| 76 | * If IDLE is 1, stop the firmware, so that it can be safely rewritten. |
| 77 | */ |
| 78 | static int |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 79 | spectrum_reset(struct pcmcia_device *link, int idle) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 80 | { |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 81 | int ret; |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 82 | u8 save_cor; |
| 83 | u8 ccsr; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 84 | |
| 85 | /* Doing it if hardware is gone is guaranteed crash */ |
Richard Purdie | c5ab964 | 2006-08-22 18:55:44 +0100 | [diff] [blame] | 86 | if (!pcmcia_dev_present(link)) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 87 | return -ENODEV; |
| 88 | |
| 89 | /* Save original COR value */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 90 | ret = pcmcia_read_config_byte(link, CISREG_COR, &save_cor); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 91 | if (ret) |
| 92 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 93 | |
| 94 | /* Soft-Reset card */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 95 | ret = pcmcia_write_config_byte(link, CISREG_COR, |
| 96 | (save_cor | COR_SOFT_RESET)); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 97 | if (ret) |
| 98 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 99 | udelay(1000); |
| 100 | |
| 101 | /* Read CCSR */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 102 | ret = pcmcia_read_config_byte(link, CISREG_CCSR, &ccsr); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 103 | if (ret) |
| 104 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 105 | |
| 106 | /* |
| 107 | * Start or stop the firmware. Memory width bit should be |
| 108 | * preserved from the value we've just read. |
| 109 | */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 110 | ccsr = (idle ? HCR_IDLE : HCR_RUN) | (ccsr & HCR_MEM16); |
| 111 | ret = pcmcia_write_config_byte(link, CISREG_CCSR, ccsr); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 112 | if (ret) |
| 113 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 114 | udelay(1000); |
| 115 | |
| 116 | /* Restore original COR configuration index */ |
Dominik Brodowski | 1d5cc19 | 2010-07-24 12:23:21 +0200 | [diff] [blame] | 117 | ret = pcmcia_write_config_byte(link, CISREG_COR, |
| 118 | (save_cor & ~COR_SOFT_RESET)); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 119 | if (ret) |
| 120 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 121 | udelay(1000); |
| 122 | return 0; |
| 123 | |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 124 | failed: |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 125 | return -ENODEV; |
| 126 | } |
| 127 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 128 | /********************************************************************/ |
| 129 | /* Device methods */ |
| 130 | /********************************************************************/ |
| 131 | |
| 132 | static int |
| 133 | spectrum_cs_hard_reset(struct orinoco_private *priv) |
| 134 | { |
| 135 | struct orinoco_pccard *card = priv->card; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 136 | struct pcmcia_device *link = card->p_dev; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 137 | |
David Kilroy | 3994d50 | 2008-08-21 23:27:54 +0100 | [diff] [blame] | 138 | /* Soft reset using COR and HCR */ |
| 139 | spectrum_reset(link, 0); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 140 | |
| 141 | return 0; |
| 142 | } |
| 143 | |
David Kilroy | 3994d50 | 2008-08-21 23:27:54 +0100 | [diff] [blame] | 144 | static int |
| 145 | spectrum_cs_stop_firmware(struct orinoco_private *priv, int idle) |
| 146 | { |
| 147 | struct orinoco_pccard *card = priv->card; |
| 148 | struct pcmcia_device *link = card->p_dev; |
| 149 | |
| 150 | return spectrum_reset(link, idle); |
| 151 | } |
| 152 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 153 | /********************************************************************/ |
| 154 | /* PCMCIA stuff */ |
| 155 | /********************************************************************/ |
| 156 | |
| 157 | /* |
| 158 | * This creates an "instance" of the driver, allocating local data |
| 159 | * structures for one device. The device is registered with Card |
| 160 | * Services. |
Andrey Borzenkov | d14c7c1 | 2009-01-25 23:08:43 +0300 | [diff] [blame] | 161 | * |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 162 | * The dev_link structure is initialized, but we don't actually |
| 163 | * configure the card at this point -- we wait until we receive a card |
| 164 | * insertion event. */ |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 165 | static int |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 166 | spectrum_cs_probe(struct pcmcia_device *link) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 167 | { |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 168 | struct orinoco_private *priv; |
| 169 | struct orinoco_pccard *card; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 170 | |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame] | 171 | priv = alloc_orinocodev(sizeof(*card), &link->dev, |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 172 | spectrum_cs_hard_reset, |
| 173 | spectrum_cs_stop_firmware); |
| 174 | if (!priv) |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 175 | return -ENOMEM; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 176 | card = priv->card; |
| 177 | |
| 178 | /* Link both structures together */ |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 179 | card->p_dev = link; |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 180 | link->priv = priv; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 181 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 182 | /* General socket configuration defaults can go here. In this |
| 183 | * client, we assume very little, and rely on the CIS for |
| 184 | * almost everything. In most clients, many details (i.e., |
| 185 | * number, sizes, and attributes of IO windows) are fixed by |
| 186 | * the nature of the device, and can be hard-wired here. */ |
| 187 | link->conf.Attributes = 0; |
| 188 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 189 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 190 | return spectrum_cs_config(link); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 191 | } /* spectrum_cs_attach */ |
| 192 | |
| 193 | /* |
| 194 | * This deletes a driver "instance". The device is de-registered with |
| 195 | * Card Services. If it has been released, all local data structures |
| 196 | * are freed. Otherwise, the structures will be freed when the device |
| 197 | * is released. |
| 198 | */ |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 199 | static void spectrum_cs_detach(struct pcmcia_device *link) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 200 | { |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 201 | struct orinoco_private *priv = link->priv; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 202 | |
Dominik Brodowski | c7c2fa0 | 2010-03-20 19:39:26 +0100 | [diff] [blame] | 203 | orinoco_if_del(priv); |
Pavel Roskin | e4f4f98 | 2006-05-01 02:13:24 -0400 | [diff] [blame] | 204 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 205 | spectrum_cs_release(link); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 206 | |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 207 | free_orinocodev(priv); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 208 | } /* spectrum_cs_detach */ |
| 209 | |
| 210 | /* |
| 211 | * spectrum_cs_config() is scheduled to run after a CARD_INSERTION |
| 212 | * event is received, to configure the PCMCIA socket, and to make the |
| 213 | * device available to the system. |
| 214 | */ |
| 215 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 216 | static int spectrum_cs_config_check(struct pcmcia_device *p_dev, |
| 217 | cistpl_cftable_entry_t *cfg, |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 218 | cistpl_cftable_entry_t *dflt, |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 219 | unsigned int vcc, |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 220 | void *priv_data) |
| 221 | { |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 222 | if (cfg->index == 0) |
| 223 | goto next_entry; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 224 | |
| 225 | /* Use power settings for Vcc and Vpp if present */ |
| 226 | /* Note that the CIS values need to be rescaled */ |
| 227 | if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 228 | if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) { |
David Kilroy | 62d714e | 2008-12-09 23:05:38 +0000 | [diff] [blame] | 229 | DEBUG(2, "%s: Vcc mismatch (vcc = %d, CIS = %d)\n", |
| 230 | __func__, vcc, |
| 231 | cfg->vcc.param[CISTPL_POWER_VNOM] / 10000); |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 232 | if (!ignore_cis_vcc) |
| 233 | goto next_entry; |
| 234 | } |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 235 | } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) { |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 236 | if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) { |
David Kilroy | 62d714e | 2008-12-09 23:05:38 +0000 | [diff] [blame] | 237 | DEBUG(2, "%s: Vcc mismatch (vcc = %d, CIS = %d)\n", |
| 238 | __func__, vcc, |
| 239 | dflt->vcc.param[CISTPL_POWER_VNOM] / 10000); |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 240 | if (!ignore_cis_vcc) |
| 241 | goto next_entry; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) |
Dominik Brodowski | e8405f0 | 2010-07-29 15:50:55 +0200 | [diff] [blame^] | 246 | p_dev->vpp = |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 247 | cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 248 | else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) |
Dominik Brodowski | e8405f0 | 2010-07-29 15:50:55 +0200 | [diff] [blame^] | 249 | p_dev->vpp = |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 250 | dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 251 | |
| 252 | /* Do we need to allocate an interrupt? */ |
| 253 | p_dev->conf.Attributes |= CONF_ENABLE_IRQ; |
| 254 | |
| 255 | /* IO window settings */ |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 256 | p_dev->resource[0]->end = p_dev->resource[1]->end = 0; |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 257 | if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) { |
| 258 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 259 | p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK; |
| 260 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
| 261 | p_dev->resource[0]->flags |= |
| 262 | pcmcia_io_cfg_data_width(io->flags); |
| 263 | p_dev->resource[0]->start = io->win[0].base; |
| 264 | p_dev->resource[0]->end = io->win[0].len; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 265 | if (io->nwin > 1) { |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 266 | p_dev->resource[1]->flags = p_dev->resource[0]->flags; |
| 267 | p_dev->resource[1]->start = io->win[1].base; |
| 268 | p_dev->resource[1]->end = io->win[1].len; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | /* This reserves IO space but doesn't actually enable it */ |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 272 | if (pcmcia_request_io(p_dev) != 0) |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 273 | goto next_entry; |
| 274 | } |
| 275 | return 0; |
| 276 | |
| 277 | next_entry: |
| 278 | pcmcia_disable_device(p_dev); |
| 279 | return -ENODEV; |
| 280 | }; |
| 281 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 282 | static int |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 283 | spectrum_cs_config(struct pcmcia_device *link) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 284 | { |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 285 | struct orinoco_private *priv = link->priv; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 286 | hermes_t *hw = &priv->hw; |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 287 | int ret; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 288 | void __iomem *mem; |
| 289 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 290 | /* |
| 291 | * In this loop, we scan the CIS for configuration table |
| 292 | * entries, each of which describes a valid card |
| 293 | * configuration, including voltage, IO window, memory window, |
| 294 | * and interrupt settings. |
| 295 | * |
| 296 | * We make no assumptions about the card to be configured: we |
| 297 | * use just the information available in the CIS. In an ideal |
| 298 | * world, this would work for any PCMCIA card, but it requires |
| 299 | * a complete and accurate CIS. In practice, a driver usually |
| 300 | * "knows" most of these things without consulting the CIS, |
| 301 | * and most client drivers will only use the CIS to fill in |
| 302 | * implementation-defined details. |
| 303 | */ |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 304 | ret = pcmcia_loop_config(link, spectrum_cs_config_check, NULL); |
| 305 | if (ret) { |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 306 | if (!ignore_cis_vcc) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 307 | printk(KERN_ERR PFX "GetNextTuple(): No matching " |
| 308 | "CIS configuration. Maybe you need the " |
| 309 | "ignore_cis_vcc=1 parameter.\n"); |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 310 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 311 | } |
| 312 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 313 | ret = pcmcia_request_irq(link, orinoco_interrupt); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 314 | if (ret) |
| 315 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 316 | |
| 317 | /* We initialize the hermes structure before completing PCMCIA |
| 318 | * configuration just in case the interrupt handler gets |
| 319 | * called. */ |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 320 | mem = ioport_map(link->resource[0]->start, |
| 321 | resource_size(link->resource[0])); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 322 | if (!mem) |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 323 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 324 | |
| 325 | hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING); |
David Kilroy | 07cefe7 | 2010-05-01 14:05:43 +0100 | [diff] [blame] | 326 | hw->eeprom_pda = true; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 327 | |
| 328 | /* |
| 329 | * This actually configures the PCMCIA socket -- setting up |
| 330 | * the I/O windows and the interrupt mapping, and putting the |
| 331 | * card and host interface into "Memory and IO" mode. |
| 332 | */ |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 333 | ret = pcmcia_request_configuration(link, &link->conf); |
| 334 | if (ret) |
| 335 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 336 | |
David Kilroy | 3994d50 | 2008-08-21 23:27:54 +0100 | [diff] [blame] | 337 | /* Reset card */ |
Andrey Borzenkov | d14c7c1 | 2009-01-25 23:08:43 +0300 | [diff] [blame] | 338 | if (spectrum_cs_hard_reset(priv) != 0) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 339 | goto failed; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 340 | |
David Kilroy | 8e63826 | 2009-06-18 23:21:24 +0100 | [diff] [blame] | 341 | /* Initialise the main driver */ |
| 342 | if (orinoco_init(priv) != 0) { |
| 343 | printk(KERN_ERR PFX "orinoco_init() failed\n"); |
| 344 | goto failed; |
| 345 | } |
| 346 | |
David Kilroy | 5381956 | 2009-06-18 23:21:28 +0100 | [diff] [blame] | 347 | /* Register an interface with the stack */ |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 348 | if (orinoco_if_add(priv, link->resource[0]->start, |
Linus Torvalds | f896546 | 2010-05-20 21:04:44 -0700 | [diff] [blame] | 349 | link->irq, NULL) != 0) { |
David Kilroy | 5381956 | 2009-06-18 23:21:28 +0100 | [diff] [blame] | 350 | printk(KERN_ERR PFX "orinoco_if_add() failed\n"); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 351 | goto failed; |
| 352 | } |
| 353 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 354 | return 0; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 355 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 356 | failed: |
| 357 | spectrum_cs_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 358 | return -ENODEV; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 359 | } /* spectrum_cs_config */ |
| 360 | |
| 361 | /* |
| 362 | * After a card is removed, spectrum_cs_release() will unregister the |
| 363 | * device, and release the PCMCIA configuration. If the device is |
| 364 | * still open, this will be postponed until it is closed. |
| 365 | */ |
| 366 | static void |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 367 | spectrum_cs_release(struct pcmcia_device *link) |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 368 | { |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 369 | struct orinoco_private *priv = link->priv; |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 370 | unsigned long flags; |
| 371 | |
| 372 | /* We're committed to taking the device away now, so mark the |
| 373 | * hardware as unavailable */ |
David Kilroy | bcad6e8 | 2010-05-01 14:05:40 +0100 | [diff] [blame] | 374 | priv->hw.ops->lock_irqsave(&priv->lock, &flags); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 375 | priv->hw_unavailable++; |
David Kilroy | bcad6e8 | 2010-05-01 14:05:40 +0100 | [diff] [blame] | 376 | priv->hw.ops->unlock_irqrestore(&priv->lock, &flags); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 377 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 378 | pcmcia_disable_device(link); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 379 | if (priv->hw.iobase) |
| 380 | ioport_unmap(priv->hw.iobase); |
| 381 | } /* spectrum_cs_release */ |
| 382 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 383 | |
| 384 | static int |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 385 | spectrum_cs_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 386 | { |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 387 | struct orinoco_private *priv = link->priv; |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 388 | int err = 0; |
| 389 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 390 | /* Mark the device as stopped, to block IO until later */ |
David Kilroy | 6415f7d | 2009-06-18 23:21:30 +0100 | [diff] [blame] | 391 | orinoco_down(priv); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 392 | |
Pavel Roskin | 6cbaa33 | 2006-05-01 02:13:28 -0400 | [diff] [blame] | 393 | return err; |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | static int |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 397 | spectrum_cs_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 398 | { |
David Kilroy | a260836 | 2009-06-18 23:21:23 +0100 | [diff] [blame] | 399 | struct orinoco_private *priv = link->priv; |
David Kilroy | 6415f7d | 2009-06-18 23:21:30 +0100 | [diff] [blame] | 400 | int err = orinoco_up(priv); |
David Kilroy | ac7cafd | 2008-11-22 10:37:27 +0000 | [diff] [blame] | 401 | |
David Kilroy | 6415f7d | 2009-06-18 23:21:30 +0100 | [diff] [blame] | 402 | return err; |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 403 | } |
| 404 | |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 405 | |
| 406 | /********************************************************************/ |
| 407 | /* Module initialization */ |
| 408 | /********************************************************************/ |
| 409 | |
| 410 | /* Can't be declared "const" or the whole __initdata section will |
| 411 | * become const */ |
| 412 | static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION |
| 413 | " (Pavel Roskin <proski@gnu.org>," |
| 414 | " David Gibson <hermes@gibson.dropbear.id.au>, et al)"; |
| 415 | |
| 416 | static struct pcmcia_device_id spectrum_cs_ids[] = { |
Pavel Roskin | 4ebe2eb | 2006-04-07 04:10:32 -0400 | [diff] [blame] | 417 | PCMCIA_DEVICE_MANF_CARD(0x026c, 0x0001), /* Symbol Spectrum24 LA4137 */ |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 418 | PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0001), /* Socket Communications CF */ |
Pavel Roskin | 9c8a11d | 2005-09-16 02:18:31 -0400 | [diff] [blame] | 419 | PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless LAN PC Card", 0x816cc815, 0x6fbf459a), /* 2011B, not 2011 */ |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 420 | PCMCIA_DEVICE_NULL, |
| 421 | }; |
| 422 | MODULE_DEVICE_TABLE(pcmcia, spectrum_cs_ids); |
| 423 | |
| 424 | static struct pcmcia_driver orinoco_driver = { |
| 425 | .owner = THIS_MODULE, |
| 426 | .drv = { |
| 427 | .name = DRIVER_NAME, |
| 428 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 429 | .probe = spectrum_cs_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 430 | .remove = spectrum_cs_detach, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 431 | .suspend = spectrum_cs_suspend, |
| 432 | .resume = spectrum_cs_resume, |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 433 | .id_table = spectrum_cs_ids, |
| 434 | }; |
| 435 | |
| 436 | static int __init |
| 437 | init_spectrum_cs(void) |
| 438 | { |
| 439 | printk(KERN_DEBUG "%s\n", version); |
| 440 | |
| 441 | return pcmcia_register_driver(&orinoco_driver); |
| 442 | } |
| 443 | |
| 444 | static void __exit |
| 445 | exit_spectrum_cs(void) |
| 446 | { |
| 447 | pcmcia_unregister_driver(&orinoco_driver); |
Pavel Roskin | 3a48c4c | 2005-09-01 20:10:06 -0400 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | module_init(init_spectrum_cs); |
| 451 | module_exit(exit_spectrum_cs); |