Merge bk://oe-devel.bkbits.net/openembedded

into  bkbits.net:/repos/n/nslu2-linux/openembedded

2005/05/06 12:43:16+02:00 uni-frankfurt.de!mickeyl
update cfu1-modules driver from lardman and boti

BKrev: 427b5790g-djH4Sbd_v6zFchvrh8tg

1 files changed, 529 insertions, 0 deletions

diff --git a/packages/cfu1/files/sl811_cs.c b/packages/cfu1/files/sl811_cs.c
index e69de29bb2..8b6d4ae2f6 100644
--- a/packages/cfu1/files/sl811_cs.c
+++ b/packages/cfu1/files/sl811_cs.c
@@ -0,0 +1,529 @@
+/*
+  A SL811 CLIENT DRIVER for linux 2.4.x
+  Filename: sl811_cs.c
+  Version:  0.0.2
+  Author:   Yukio Yamamoto
+
+  Port to sl811-hcd and 2.6.x by
+    Botond Botyanszki <boti()rocketmail.com>
+    Simon Pickering
+
+  Last update: 2005-05-05
+*/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/ioport.h>
+#include <linux/version.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/cisreg.h>
+#include <pcmcia/ds.h>
+
+#include <linux/usb_sl811.h>
+
+MODULE_AUTHOR("Yukio Yamamoto");
+MODULE_DESCRIPTION("REX-CFU1 PCMCIA driver");
+MODULE_LICENSE("GPL");
+
+
+/*====================================================================*/
+/* MACROS                                                             */
+/*====================================================================*/
+
+/* FIXME */
+//#ifdef DEBUG
+#define DBG(n, args...) printk(KERN_DEBUG "sl811_cs: " args)
+//#else
+//#define DBG(n, args...) do{}while(0)
+//#endif
+
+#define INFO(args...) printk(KERN_INFO "sl811_cs: " args)
+
+/*static char *version = "sl811_cs.c 0.04 2005/04/27 00:00:00 (OpenZaurus Team)";*/
+
+#define INT_MODULE_PARM(n, v) static int n = v; MODULE_PARM(n, "i")
+
+#define CS_CHECK(fn, ret) \
+	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+/*====================================================================*/
+/* VARIABLES                                                          */
+/*====================================================================*/
+
+static dev_info_t dev_info  = "sl811_cs";
+static dev_link_t *dev_list = NULL;
+
+static ioaddr_t base_addr   = 0x00000000;
+static int irq              = -1;
+
+static int irq_list[4] = { -1 };
+MODULE_PARM(irq_list, "1-4i");
+INT_MODULE_PARM(free_ports, 0);
+INT_MODULE_PARM(irq_mask, 0xdeb8);
+
+/*====================================================================*/
+/* PROTO TYPES                                                        */
+/*====================================================================*/
+
+static dev_link_t* sl811_cs_attach(void);
+static void        sl811_cs_detach(dev_link_t *);
+static void        sl811_cs_config(dev_link_t *link);
+static void        sl811_cs_release(dev_link_t *arg);
+static int         sl811_cs_event(event_t event, int priority,
+				  event_callback_args_t *args);
+
+/*====================================================================*/
+/* PROTO TYPES                                                        */
+/*====================================================================*/
+
+typedef struct local_info_t {
+  dev_link_t		link;
+  dev_node_t		node;
+} local_info_t;
+
+static struct pcmcia_driver sl811_driver = {
+	.owner		= THIS_MODULE,
+	.drv		= {
+		.name	= "sl811_cs",
+	},
+	.attach		= sl811_cs_attach,
+	.detach		= sl811_cs_detach,
+};
+extern struct device_driver sl811h_driver;
+
+static struct sl811_platform_data platform_data;
+static struct res {
+	struct resource irq_res;
+	struct resource addr_res;
+	struct resource data_res;
+} resources;
+static struct platform_device platform_dev = {
+	.name              = "sl811_cs",
+	.id                = 0,
+	.num_resources     = 0,
+	.dev.dma_mask      = 0,
+	.dev.platform_data = &platform_data,
+	.dev.bus_id        = "sl811-hcd",
+	.dev.driver        = &sl811h_driver
+};
+
+/*====================================================================*/
+/* EXTERNAL FUNCTIONS                                                 */
+/*====================================================================*/
+int sl811h_probe(void *dev);
+int sl811h_remove(struct device *dev);
+
+/*====================================================================*/
+
+
+/*====================================================================*/
+static void release_platform_dev(struct device * dev) {
+	DBG(0, "sl811_cs platform_dev release\n");
+}
+
+/*====================================================================*/
+static void sl811_cs_error(client_handle_t handle, int func, int ret)
+{
+  error_info_t err = { func, ret };
+  pcmcia_report_error(handle, &err);
+}
+
+/*====================================================================*/
+static dev_link_t *sl811_cs_attach(void)
+{
+  local_info_t *local;
+  dev_link_t *link;
+  client_reg_t client_reg;
+  int ret, i;
+  
+  local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
+  if (!local) return NULL;
+  memset(local, 0, sizeof(local_info_t));
+  link = &local->link; link->priv = local;
+
+  /* Initialize */
+  link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
+  link->irq.IRQInfo1 = IRQ_INFO2_VALID|IRQ_LEVEL_ID;
+  if (irq_list[0] == -1)
+    link->irq.IRQInfo2 = irq_mask;
+  else
+    for (i = 0; i < 4; i++)
+      link->irq.IRQInfo2 |= 1 << irq_list[i];
+  link->irq.Handler = NULL;
+    
+  link->conf.Attributes = 0;
+  link->conf.Vcc = 33;
+  link->conf.IntType = INT_MEMORY_AND_IO;
+  
+  /* Register with Card Services */
+  link->next = dev_list;
+  dev_list = link;
+  client_reg.dev_info = &dev_info;
+  client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
+  client_reg.EventMask =
+    CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
+    CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
+    CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
+  client_reg.event_handler = &sl811_cs_event;
+  client_reg.Version = 0x0210;
+  client_reg.event_callback_args.client_data = link;
+  ret = pcmcia_register_client(&link->handle, &client_reg);
+  if (ret != CS_SUCCESS) {
+    sl811_cs_error(link->handle, RegisterClient, ret);
+    sl811_cs_detach(link);
+    return NULL;
+  }
+  
+  return link;
+} /* sl811_cs_attach */
+
+/*====================================================================*/
+static void sl811_cs_detach(dev_link_t *link)
+{
+  dev_link_t **linkp;
+
+  DBG(0, "sl811_cs_detach(0x%p)\n", link);
+    
+  /* Locate device structure */
+  for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
+    if (*linkp == link) break;
+  if (*linkp == NULL)
+    return;
+  
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) 
+  if (link->state & DEV_CONFIG) {
+#ifdef PCMCIA_DEBUG
+    printk(KERN_DEBUG "sl811_cs: detach postponed, '%s' "
+	   "still locked\n", link->dev->dev_name);
+#endif
+    link->state |= DEV_STALE_LINK;
+    return;
+  }
+#endif
+
+  /* Break the link with Card Services */
+  if (link->handle)
+    pcmcia_deregister_client(link->handle);
+  
+  /* Unlink device structure, and free it */
+  *linkp = link->next;
+  /* This points to the parent local_info_t struct */
+  kfree(link->priv);
+  
+} /* sl811_cs_detach */
+
+
+/*====================================================================*/
+static int sl811_hc_init(void)
+{
+	/* set up the device structure */
+	resources.irq_res.flags = IORESOURCE_IRQ;
+	resources.irq_res.start = irq;
+
+	resources.addr_res.flags = IORESOURCE_MEM;
+	resources.addr_res.start = base_addr;
+	resources.addr_res.end = base_addr + 1;
+
+	resources.data_res.flags = IORESOURCE_MEM;
+	resources.data_res.start = base_addr + 1;
+	resources.data_res.end   = base_addr + 4;
+
+	platform_dev.dev.release = release_platform_dev;
+	platform_device_register(&platform_dev);
+
+	/* FIXME: resources already claimed by pcmcia, so we cannot register
+	   the device with the irq and io ports */
+	platform_dev.num_resources = 3;
+	platform_dev.resource      = (struct resource *) &resources;
+
+	/* try to initialize the host controller */
+	if (sl811h_probe(&platform_dev.dev) != 0) {
+		DBG(0, "sl811h_probe() didn't return 0\n");
+		return 0;
+	}
+	return 1;
+}
+
+
+/*====================================================================*/
+static void sl811_cs_config(dev_link_t *link)
+{
+  client_handle_t handle = link->handle;
+  local_info_t *dev = link->priv;
+  tuple_t tuple;
+  cisparse_t parse;
+  int last_fn, last_ret;
+  u_char buf[64];
+  config_info_t conf;
+  cistpl_cftable_entry_t dflt = { 0 };
+
+  DBG(0, "sl811_cs_config(0x%p)\n", link);
+  
+  tuple.DesiredTuple = CISTPL_CONFIG;
+  tuple.Attributes = 0;
+  tuple.TupleData = buf;
+  tuple.TupleDataMax = sizeof(buf);
+  tuple.TupleOffset = 0;
+  CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+  CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
+  CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+  link->conf.ConfigBase = parse.config.base;
+  link->conf.Present = parse.config.rmask[0];
+    
+  /* Configure card */
+  link->state |= DEV_CONFIG;
+
+  /* Look up the current Vcc */
+  CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
+  link->conf.Vcc = conf.Vcc;
+  
+  tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
+  CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+  while (1) {
+    cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
+	if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
+		pcmcia_parse_tuple(handle, &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;
+    }
+    
+    /* 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->vpp1.present & (1<<CISTPL_POWER_VNOM))
+      link->conf.Vpp1 = link->conf.Vpp2 =
+	cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+    else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
+      link->conf.Vpp1 = link->conf.Vpp2 =
+	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;
+    
+    /* 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_8;
+      link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
+      link->io.BasePort1 = io->win[0].base;
+      link->io.NumPorts1 = io->win[0].len;
+
+      if (pcmcia_request_io(link->handle, &link->io) != 0)
+	      goto next_entry;
+    }
+    break;
+    
+  next_entry:
+    if (link->io.NumPorts1)
+      pcmcia_release_io(link->handle, &link->io);
+	  last_ret = pcmcia_get_next_tuple(handle, &tuple);
+  }
+  
+  if (link->conf.Attributes & CONF_ENABLE_IRQ)
+    CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
+  
+  CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
+  
+  if (free_ports) {
+    if (link->io.BasePort1)
+      release_region(link->io.BasePort1, link->io.NumPorts1);
+  }
+
+  /* IRQ is requested by the sl811-hcd driver */
+  pcmcia_release_irq(link->handle, &link->irq);
+
+  sprintf(dev->node.dev_name, "cf_usb0");
+  dev->node.major = dev->node.minor = 0;
+  link->dev = &dev->node;
+  
+  printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
+	 dev->node.dev_name, link->conf.ConfigIndex,
+	 link->conf.Vcc/10, link->conf.Vcc%10);
+  if (link->conf.Vpp1)
+    printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10);
+  if (link->conf.Attributes & CONF_ENABLE_IRQ) {
+    printk(", irq %d", link->irq.AssignedIRQ);
+    irq = link->irq.AssignedIRQ;
+  }
+
+  if (link->io.NumPorts1) {
+    printk(", io 0x%04x-0x%04x", link->io.BasePort1,
+	   link->io.BasePort1+link->io.NumPorts1-1);
+    base_addr = link->io.BasePort1;
+  }
+
+  printk("\n");
+  
+  link->state &= ~DEV_CONFIG_PENDING;
+
+  if (sl811_hc_init() == 0) goto cs_failed;
+
+  return;
+  
+ cs_failed:
+  printk("DEBUG: sl811_cs_config failed\n");
+  sl811_cs_error(link->handle, last_fn, last_ret);
+  sl811_cs_release(link);
+  link->state &= ~DEV_CONFIG_PENDING;
+
+} /* sl811_cs_config */
+
+/*====================================================================*/
+static void sl811_cs_release(dev_link_t * link)
+{
+
+  DBG(0, "sl811_cs_release(0x%p)\n", link);
+  
+  if (link->open) {
+    DBG(1, "sl811_cs: release postponed, '%s' still open\n",
+	  link->dev->dev_name);
+    link->state |= DEV_STALE_CONFIG;
+    return;
+  }
+  
+  /* Unlink the device chain */
+  link->dev = NULL;
+  
+  pcmcia_release_configuration(link->handle);
+  if (link->io.NumPorts1)
+    pcmcia_release_io(link->handle, &link->io);
+  if (link->irq.AssignedIRQ)
+    pcmcia_release_irq(link->handle, &link->irq);
+  link->state &= ~DEV_CONFIG;
+  
+  if (link->state & DEV_STALE_LINK)
+    sl811_cs_detach(link);
+
+  sl811h_remove(&platform_dev.dev);
+
+  /* FIXME: resources already claimed by pcmcia, so we cannot register
+     the device with the irq and io ports */
+  platform_dev.num_resources = 0;
+  platform_dev.resource      = NULL;
+
+  platform_device_unregister(&platform_dev);
+
+} /* sl811_cs_release */
+
+/*====================================================================*/
+static int sl811_cs_event(event_t event, int priority, event_callback_args_t *args)
+{
+  dev_link_t *link = args->client_data;
+    
+  DBG(1, "sl811_cs_event(0x%06x)\n", event);
+    
+  switch (event) {
+  case CS_EVENT_CARD_REMOVAL:
+    link->state &= ~DEV_PRESENT;
+    if (link->state & DEV_CONFIG) {
+      sl811_cs_release(link);
+    }
+    break;
+
+  case CS_EVENT_CARD_INSERTION:
+    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+    sl811_cs_config(link);
+    break;
+
+  case CS_EVENT_PM_SUSPEND:
+    link->state |= DEV_SUSPEND;
+    /* Fall through... */
+  case CS_EVENT_RESET_PHYSICAL:
+    if (link->state & DEV_CONFIG)
+      pcmcia_release_configuration(link->handle);
+    break;
+  case CS_EVENT_PM_RESUME:
+    link->state &= ~DEV_SUSPEND;
+    /* Fall through... */
+  case CS_EVENT_CARD_RESET:
+    if (link->state & DEV_CONFIG)
+      pcmcia_request_configuration(link->handle, &link->conf);
+
+    /* Reset routine will be added in the next version */
+    DBG("FIXME: card reset\n");
+    /*   hc_found_hci(irq, base_addr, base_addr+1); */
+
+    break;
+  }
+  return 0;
+} /* sl811_cs_event */
+
+/*====================================================================*/
+static int __init init_sl811_cs(void)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+  servinfo_t serv;
+  DBG(0, "%s\n", version);
+  CardServices(GetCardServicesInfo, &serv);
+  if (serv.Revision != CS_RELEASE_CODE) {
+    printk(KERN_NOTICE "sl811_cs: Card Services release "
+	   "does not match!\n");
+    return -EINVAL;
+  }
+  register_pccard_driver(&dev_info, &sl811_cs_attach, &sl811_cs_detach);
+  return 0;
+#else
+  return pcmcia_register_driver(&sl811_driver);
+#endif
+
+}
+
+/*====================================================================*/
+static void __exit exit_sl811_cs(void)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) 
+  DBG(0, "sl811_cs: unloading\n");
+  unregister_pccard_driver(&dev_info);
+  while (dev_list != NULL) {
+    del_timer(&dev_list->release);
+    if (dev_list->state & DEV_CONFIG)
+      sl811_cs_release(dev_list);
+    sl811_cs_detach(dev_list);
+  }
+#else
+  pcmcia_unregister_driver(&sl811_driver);
+#endif
+
+}
+
+/*====================================================================*/
+
+module_init(init_sl811_cs);
+module_exit(exit_sl811_cs);
+