pcmcia: use pcmcia_loop_config in ISDN pcmcia drivers

Use the config loop helper in ISDN pcmcia drivers.

CC: Karsten Keil <kkeil@suse.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 102 insertions, 106 deletions

diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index 439cb530def8..0f80b5667ea1 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -217,101 +217,68 @@ static void sedlbauer_detach(struct pcmcia_device *link)
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static int sedlbauer_config(struct pcmcia_device *link)
-{
-    local_info_t *dev = link->priv;
-    tuple_t tuple;
-    cisparse_t parse;
-    int last_fn, last_ret;
-    u8 buf[64];
-    config_info_t conf;
-    win_req_t req;
-    memreq_t map;
-    IsdnCard_t  icard;
-
-    DEBUG(0, "sedlbauer_config(0x%p)\n", link);
-
-    tuple.Attributes = 0;
-    tuple.TupleData = buf;
-    tuple.TupleDataMax = sizeof(buf);
-    tuple.TupleOffset = 0;
+struct sedlbauer_config_data {
+	cistpl_cftable_entry_t dflt;
+	config_info_t conf;
+	win_req_t req;
+};
 
-    CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf));
+static int sedlbauer_config_check(struct pcmcia_device *p_dev,
+				  cistpl_cftable_entry_t *cfg,
+				  void *priv_data)
+{
+	struct sedlbauer_config_data *cfg_mem = priv_data;
 
-    /*
-      In this loop, we scan the CIS for configuration table entries,
-      each of which describes a valid card configuration, including
-      voltage, IO window, memory window, and interrupt settings.
+	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+		cfg_mem->dflt = *cfg;
+	if (cfg->index == 0)
+		return -ENODEV;
+	p_dev->conf.ConfigIndex = cfg->index;
 
-      We make no assumptions about the card to be configured: we use
-      just the information available in the CIS.  In an ideal world,
-      this would work for any PCMCIA card, but it requires a complete
-      and accurate CIS.  In practice, a driver usually "knows" most of
-      these things without consulting the CIS, and most client drivers
-      will only use the CIS to fill in implementation-defined details.
-    */
-    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
-    while (1) {
-	cistpl_cftable_entry_t dflt = { 0 };
-	cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
-	if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
-		pcmcia_parse_tuple(link, &tuple, &parse) != 0)
-	    goto next_entry;
-
-	if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
-	if (cfg->index == 0) goto next_entry;
-	link->conf.ConfigIndex = cfg->index;
-	
 	/* Does this card need audio output? */
 	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
-	    link->conf.Attributes |= CONF_ENABLE_SPKR;
-	    link->conf.Status = CCSR_AUDIO_ENA;
+		p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
+		p_dev->conf.Status = CCSR_AUDIO_ENA;
 	}
-	
+
 	/* Use power settings for Vcc and Vpp if present */
 	/*  Note that the CIS values need to be rescaled */
 	if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
-	    if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
-		goto next_entry;
-	} else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
-	    if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000)
-		goto next_entry;
+		if (cfg_mem->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
+			return -ENODEV;
+	} else if (cfg_mem->dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
+		if (cfg_mem->conf.Vcc != cfg_mem->dflt.vcc.param[CISTPL_POWER_VNOM]/10000)
+			return -ENODEV;
 	}
-	    
+
 	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
-	    link->conf.Vpp =
-		cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
-	else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
-	    link->conf.Vpp =
-		dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
-	
+		p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+	else if (cfg_mem->dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
+		p_dev->conf.Vpp = cfg_mem->dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
+
 	/* Do we need to allocate an interrupt? */
-	if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
-	    link->conf.Attributes |= CONF_ENABLE_IRQ;
-	
+	if (cfg->irq.IRQInfo1 || cfg_mem->dflt.irq.IRQInfo1)
+		p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
 	/* IO window settings */
-	link->io.NumPorts1 = link->io.NumPorts2 = 0;
-	if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
-	    cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
-	    link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
-	    if (!(io->flags & CISTPL_IO_8BIT))
-		link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
-	    if (!(io->flags & CISTPL_IO_16BIT))
-		link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-/* new in dummy.cs 2001/01/28 MN 
-            link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
-*/
-	    link->io.BasePort1 = io->win[0].base;
-	    link->io.NumPorts1 = io->win[0].len;
-	    if (io->nwin > 1) {
-		link->io.Attributes2 = link->io.Attributes1;
-		link->io.BasePort2 = io->win[1].base;
-		link->io.NumPorts2 = io->win[1].len;
-	    }
-	    /* This reserves IO space but doesn't actually enable it */
-	    if (pcmcia_request_io(link, &link->io) != 0)
-		goto next_entry;
+	p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+	if ((cfg->io.nwin > 0) || (cfg_mem->dflt.io.nwin > 0)) {
+		cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &cfg_mem->dflt.io;
+		p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+		if (!(io->flags & CISTPL_IO_8BIT))
+			p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+		if (!(io->flags & CISTPL_IO_16BIT))
+			p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+		p_dev->io.BasePort1 = io->win[0].base;
+		p_dev->io.NumPorts1 = io->win[0].len;
+		if (io->nwin > 1) {
+			p_dev->io.Attributes2 = p_dev->io.Attributes1;
+			p_dev->io.BasePort2 = io->win[1].base;
+			p_dev->io.NumPorts2 = io->win[1].len;
+		}
+		/* This reserves IO space but doesn't actually enable it */
+		if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
+			return -ENODEV;
 	}
 
 	/*
@@ -325,30 +292,58 @@ static int sedlbauer_config(struct pcmcia_device *link)
 	  needs to be mapped to virtual space with ioremap() before it
 	  is used.
 	*/
-	if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
-	    cistpl_mem_t *mem =
-		(cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
-	    req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
-	    req.Attributes |= WIN_ENABLE;
-	    req.Base = mem->win[0].host_addr;
-	    req.Size = mem->win[0].len;
-/* new in dummy.cs 2001/01/28 MN 
-            if (req.Size < 0x1000)
-                req.Size = 0x1000;
-*/
-	    req.AccessSpeed = 0;
-	    if (pcmcia_request_window(&link, &req, &link->win) != 0)
-		goto next_entry;
-	    map.Page = 0; map.CardOffset = mem->win[0].card_addr;
-	    if (pcmcia_map_mem_page(link->win, &map) != 0)
-		goto next_entry;
+	if ((cfg->mem.nwin > 0) || (cfg_mem->dflt.mem.nwin > 0)) {
+		cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &cfg_mem->dflt.mem;
+		memreq_t map;
+		cfg_mem->req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+		cfg_mem->req.Attributes |= WIN_ENABLE;
+		cfg_mem->req.Base = mem->win[0].host_addr;
+		cfg_mem->req.Size = mem->win[0].len;
+		cfg_mem->req.AccessSpeed = 0;
+		if (pcmcia_request_window(&p_dev, &cfg_mem->req, &p_dev->win) != 0)
+			return -ENODEV;
+		map.Page = 0;
+		map.CardOffset = mem->win[0].card_addr;
+		if (pcmcia_map_mem_page(p_dev->win, &map) != 0)
+			return -ENODEV;
 	}
-	/* If we got this far, we're cool! */
-	break;
+	return 0;
+}
 
-    next_entry:
-	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
-    }
+
+
+static int sedlbauer_config(struct pcmcia_device *link)
+{
+    local_info_t *dev = link->priv;
+    struct sedlbauer_config_data *cfg_mem;
+    int last_fn, last_ret;
+    IsdnCard_t  icard;
+
+    DEBUG(0, "sedlbauer_config(0x%p)\n", link);
+
+    cfg_mem = kzalloc(sizeof(struct sedlbauer_config_data), GFP_KERNEL);
+    if (!cfg_mem)
+	    return -ENOMEM;
+
+    /* Look up the current Vcc */
+    CS_CHECK(GetConfigurationInfo,
+	     pcmcia_get_configuration_info(link, &cfg_mem->conf));
+
+    /*
+      In this loop, we scan the CIS for configuration table entries,
+      each of which describes a valid card configuration, including
+      voltage, IO window, memory window, and interrupt settings.
+
+      We make no assumptions about the card to be configured: we use
+      just the information available in the CIS.  In an ideal world,
+      this would work for any PCMCIA card, but it requires a complete
+      and accurate CIS.  In practice, a driver usually "knows" most of
+      these things without consulting the CIS, and most client drivers
+      will only use the CIS to fill in implementation-defined details.
+    */
+    last_ret = pcmcia_loop_config(link, sedlbauer_config_check, cfg_mem);
+    if (last_ret)
+	    goto failed;
 
     /*
        Allocate an interrupt line.  Note that this does not assign a
@@ -387,8 +382,8 @@ static int sedlbauer_config(struct pcmcia_device *link)
 	printk(" & 0x%04x-0x%04x", link->io.BasePort2,
 	       link->io.BasePort2+link->io.NumPorts2-1);
     if (link->win)
-	printk(", mem 0x%06lx-0x%06lx", req.Base,
-	       req.Base+req.Size-1);
+	printk(", mem 0x%06lx-0x%06lx", cfg_mem->req.Base,
+	       cfg_mem->req.Base+cfg_mem->req.Size-1);
     printk("\n");
 
     icard.para[0] = link->irq.AssignedIRQ;
@@ -409,6 +404,7 @@ static int sedlbauer_config(struct pcmcia_device *link)
 
 cs_failed:
     cs_error(link, last_fn, last_ret);
+failed:
     sedlbauer_release(link);
     return -ENODEV;