diff options
Diffstat (limited to 'drivers/net/wireless/b43/pcmcia.c')
| -rw-r--r-- | drivers/net/wireless/b43/pcmcia.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/pcmcia.c b/drivers/net/wireless/b43/pcmcia.c new file mode 100644 index 0000000..b242a9a --- /dev/null +++ b/drivers/net/wireless/b43/pcmcia.c @@ -0,0 +1,160 @@ +/* + + Broadcom B43 wireless driver + + Copyright (c) 2007 Michael Buesch <mb@bu3sch.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "pcmcia.h" + +#include <linux/ssb/ssb.h> + +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> +#include <pcmcia/cisreg.h> + + +static /*const */ struct pcmcia_device_id b43_pcmcia_tbl[] = { + PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448), + PCMCIA_DEVICE_NULL, +}; + +MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl); + +#ifdef CONFIG_PM +static int b43_pcmcia_suspend(struct pcmcia_device *dev) +{ + //TODO + return 0; +} + +static int b43_pcmcia_resume(struct pcmcia_device *dev) +{ + //TODO + return 0; +} +#else /* CONFIG_PM */ +# define b43_pcmcia_suspend NULL +# define b43_pcmcia_resume NULL +#endif /* CONFIG_PM */ + +static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev) +{ + struct ssb_bus *ssb; + win_req_t win; + memreq_t mem; + tuple_t tuple; + cisparse_t parse; + int err = -ENOMEM; + int res; + unsigned char buf[64]; + + ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); + if (!ssb) + goto out; + + err = -ENODEV; + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + + res = pcmcia_get_first_tuple(dev, &tuple); + if (res != CS_SUCCESS) + goto err_kfree_ssb; + res = pcmcia_get_tuple_data(dev, &tuple); + if (res != CS_SUCCESS) + goto err_kfree_ssb; + res = pcmcia_parse_tuple(dev, &tuple, &parse); + if (res != CS_SUCCESS) + goto err_kfree_ssb; + + dev->conf.ConfigBase = parse.config.base; + dev->conf.Present = parse.config.rmask[0]; + + dev->io.BasePort2 = 0; + dev->io.NumPorts2 = 0; + dev->io.Attributes2 = 0; + + win.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; + win.Base = 0; + win.Size = SSB_CORE_SIZE; + win.AccessSpeed = 1000; + res = pcmcia_request_window(&dev, &win, &dev->win); + if (res != CS_SUCCESS) + goto err_kfree_ssb; + + mem.CardOffset = 0; + mem.Page = 0; + res = pcmcia_map_mem_page(dev->win, &mem); + if (res != CS_SUCCESS) + goto err_kfree_ssb; + + res = pcmcia_request_configuration(dev, &dev->conf); + if (res != CS_SUCCESS) + goto err_disable; + + err = ssb_bus_pcmciabus_register(ssb, dev, win.Base); + dev->priv = ssb; + + out: + return err; + err_disable: + pcmcia_disable_device(dev); + err_kfree_ssb: + kfree(ssb); + return err; +} + +static void __devexit b43_pcmcia_remove(struct pcmcia_device *dev) +{ + struct ssb_bus *ssb = dev->priv; + + ssb_bus_unregister(ssb); + pcmcia_release_window(dev->win); + pcmcia_disable_device(dev); + kfree(ssb); + dev->priv = NULL; +} + +static struct pcmcia_driver b43_pcmcia_driver = { + .owner = THIS_MODULE, + .drv = { + .name = "b43-pcmcia", + }, + .id_table = b43_pcmcia_tbl, + .probe = b43_pcmcia_probe, + .remove = b43_pcmcia_remove, + .suspend = b43_pcmcia_suspend, + .resume = b43_pcmcia_resume, +}; + +int b43_pcmcia_init(void) +{ + return pcmcia_register_driver(&b43_pcmcia_driver); +} + +void b43_pcmcia_exit(void) +{ + pcmcia_unregister_driver(&b43_pcmcia_driver); +} |