diff options
Diffstat (limited to 'drivers/pcmcia/pcmcia_cis.c')
-rw-r--r-- | drivers/pcmcia/pcmcia_cis.c | 117 |
1 files changed, 100 insertions, 17 deletions
diff --git a/drivers/pcmcia/pcmcia_cis.c b/drivers/pcmcia/pcmcia_cis.c index 0ac54da15885..e2c92415b892 100644 --- a/drivers/pcmcia/pcmcia_cis.c +++ b/drivers/pcmcia/pcmcia_cis.c @@ -6,7 +6,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * Copyright (C) 1999 David A. Hinds - * Copyright (C) 2004-2009 Dominik Brodowski + * Copyright (C) 2004-2010 Dominik Brodowski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -22,7 +22,6 @@ #include <pcmcia/cisreg.h> #include <pcmcia/cistpl.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/ds.h> #include "cs_internal.h" @@ -126,14 +125,24 @@ next_entry: return ret; } + +/** + * pcmcia_io_cfg_data_width() - convert cfgtable to data path width parameter + */ +static int pcmcia_io_cfg_data_width(unsigned int flags) +{ + if (!(flags & CISTPL_IO_8BIT)) + return IO_DATA_PATH_WIDTH_16; + if (!(flags & CISTPL_IO_16BIT)) + return IO_DATA_PATH_WIDTH_8; + return IO_DATA_PATH_WIDTH_AUTO; +} + + struct pcmcia_cfg_mem { struct pcmcia_device *p_dev; + int (*conf_check) (struct pcmcia_device *p_dev, void *priv_data); void *priv_data; - int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, - void *priv_data); cisparse_t parse; cistpl_cftable_entry_t dflt; }; @@ -147,25 +156,102 @@ struct pcmcia_cfg_mem { */ static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) { - cistpl_cftable_entry_t *cfg = &parse->cftable_entry; struct pcmcia_cfg_mem *cfg_mem = priv; + struct pcmcia_device *p_dev = cfg_mem->p_dev; + cistpl_cftable_entry_t *cfg = &parse->cftable_entry; + cistpl_cftable_entry_t *dflt = &cfg_mem->dflt; + unsigned int flags = p_dev->config_flags; + unsigned int vcc = p_dev->socket->socket.Vcc; + + dev_dbg(&p_dev->dev, "testing configuration %x, autoconf %x\n", + cfg->index, flags); /* default values */ - cfg_mem->p_dev->conf.ConfigIndex = cfg->index; + cfg_mem->p_dev->config_index = cfg->index; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) cfg_mem->dflt = *cfg; - return cfg_mem->conf_check(cfg_mem->p_dev, cfg, &cfg_mem->dflt, - cfg_mem->p_dev->socket->socket.Vcc, - cfg_mem->priv_data); + /* check for matching Vcc? */ + if (flags & CONF_AUTO_CHECK_VCC) { + if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) + return -ENODEV; + } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) + return -ENODEV; + } + } + + /* set Vpp? */ + if (flags & CONF_AUTO_SET_VPP) { + if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) + p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; + else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) + p_dev->vpp = + dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000; + } + + /* enable audio? */ + if ((flags & CONF_AUTO_AUDIO) && (cfg->flags & CISTPL_CFTABLE_AUDIO)) + p_dev->config_flags |= CONF_ENABLE_SPKR; + + + /* IO window settings? */ + if (flags & CONF_AUTO_SET_IO) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; + int i = 0; + + p_dev->resource[0]->start = p_dev->resource[0]->end = 0; + p_dev->resource[1]->start = p_dev->resource[1]->end = 0; + if (io->nwin == 0) + return -ENODEV; + + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= + pcmcia_io_cfg_data_width(io->flags); + if (io->nwin > 1) { + /* For multifunction cards, by convention, we + * configure the network function with window 0, + * and serial with window 1 */ + i = (io->win[1].len > io->win[0].len); + p_dev->resource[1]->flags = p_dev->resource[0]->flags; + p_dev->resource[1]->start = io->win[1-i].base; + p_dev->resource[1]->end = io->win[1-i].len; + } + p_dev->resource[0]->start = io->win[i].base; + p_dev->resource[0]->end = io->win[i].len; + p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK; + } + + /* MEM window settings? */ + if (flags & CONF_AUTO_SET_IOMEM) { + /* so far, we only set one memory window */ + cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem; + + p_dev->resource[2]->start = p_dev->resource[2]->end = 0; + if (mem->nwin == 0) + return -ENODEV; + + p_dev->resource[2]->start = mem->win[0].host_addr; + p_dev->resource[2]->end = mem->win[0].len; + if (p_dev->resource[2]->end < 0x1000) + p_dev->resource[2]->end = 0x1000; + p_dev->card_addr = mem->win[0].card_addr; + } + + dev_dbg(&p_dev->dev, + "checking configuration %x: %pr %pr %pr (%d lines)\n", + p_dev->config_index, p_dev->resource[0], p_dev->resource[1], + p_dev->resource[2], p_dev->io_lines); + + return cfg_mem->conf_check(p_dev, cfg_mem->priv_data); } /** * pcmcia_loop_config() - loop over configuration options * @p_dev: the struct pcmcia_device which we need to loop for. * @conf_check: function to call for each configuration option. - * It gets passed the struct pcmcia_device, the CIS data - * describing the configuration option, and private data + * It gets passed the struct pcmcia_device and private data * being passed to pcmcia_loop_config() * @priv_data: private data to be passed to the conf_check function. * @@ -175,9 +261,6 @@ static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) */ int pcmcia_loop_config(struct pcmcia_device *p_dev, int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, void *priv_data), void *priv_data) { |