Merge branch 'upstream'
[pandora-kernel.git] / drivers / char / pcmcia / synclink_cs.c
index cf45b10..0721345 100644 (file)
@@ -228,7 +228,7 @@ typedef struct _mgslpc_info {
        struct  _input_signal_events    input_signal_events;
 
        /* PCMCIA support */
-       dev_link_t            link;
+       struct pcmcia_device    *p_dev;
        dev_node_t            node;
        int                   stop;
 
@@ -484,7 +484,7 @@ static void mgslpc_wait_until_sent(struct tty_struct *tty, int timeout);
 
 /* PCMCIA prototypes */
 
-static void mgslpc_config(dev_link_t *link);
+static int mgslpc_config(struct pcmcia_device *link);
 static void mgslpc_release(u_long arg);
 static void mgslpc_detach(struct pcmcia_device *p_dev);
 
@@ -533,14 +533,14 @@ static void ldisc_receive_buf(struct tty_struct *tty,
        }
 }
 
-static int mgslpc_attach(struct pcmcia_device *p_dev)
+static int mgslpc_probe(struct pcmcia_device *link)
 {
     MGSLPC_INFO *info;
-    dev_link_t *link;
-    
+    int ret;
+
     if (debug_level >= DEBUG_LEVEL_INFO)
            printk("mgslpc_attach\n");
-       
+
     info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL);
     if (!info) {
            printk("Error can't allocate device instance data\n");
@@ -565,25 +565,22 @@ static int mgslpc_attach(struct pcmcia_device *p_dev)
     info->imrb_value = 0xffff;
     info->pim_value = 0xff;
 
-    link = &info->link;
+    info->p_dev = link;
     link->priv = info;
-    
-    /* Initialize the dev_link_t structure */
+
+    /* Initialize the struct pcmcia_device structure */
 
     /* Interrupt setup */
     link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
     link->irq.IRQInfo1   = IRQ_LEVEL_ID;
     link->irq.Handler = NULL;
-    
+
     link->conf.Attributes = 0;
-    link->conf.Vcc = 50;
     link->conf.IntType = INT_MEMORY_AND_IO;
 
-    link->handle = p_dev;
-    p_dev->instance = link;
-
-    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-    mgslpc_config(link);
+    ret = mgslpc_config(link);
+    if (ret)
+           return ret;
 
     mgslpc_add_device(info);
 
@@ -596,15 +593,13 @@ static int mgslpc_attach(struct pcmcia_device *p_dev)
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static void mgslpc_config(dev_link_t *link)
+static int mgslpc_config(struct pcmcia_device *link)
 {
-    client_handle_t handle = link->handle;
     MGSLPC_INFO *info = 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 };
     cistpl_cftable_entry_t *cfg;
     
@@ -617,27 +612,20 @@ static void mgslpc_config(dev_link_t *link)
     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));
+    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
+    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
+    CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &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;
 
     /* get CIS configuration entry */
 
     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 
     cfg = &(parse.cftable_entry);
-    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
-    CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
+    CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
 
     if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
     if (cfg->index == 0)
@@ -658,11 +646,10 @@ static void mgslpc_config(dev_link_t *link)
            link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
            link->io.BasePort1 = io->win[0].base;
            link->io.NumPorts1 = io->win[0].len;
-           CS_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io));
+           CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
     }
 
     link->conf.Attributes = CONF_ENABLE_IRQ;
-    link->conf.Vcc = 50;
     link->conf.IntType = INT_MEMORY_AND_IO;
     link->conf.ConfigIndex = 8;
     link->conf.Present = PRESENT_OPTION;
@@ -670,9 +657,9 @@ static void mgslpc_config(dev_link_t *link)
     link->irq.Attributes |= IRQ_HANDLE_PRESENT;
     link->irq.Handler     = mgslpc_isr;
     link->irq.Instance    = info;
-    CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
+    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 
-    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
+    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 
     info->io_base = link->io.BasePort1;
     info->irq_level = link->irq.AssignedIRQ;
@@ -680,7 +667,7 @@ static void mgslpc_config(dev_link_t *link)
     /* add to linked list of devices */
     sprintf(info->node.dev_name, "mgslpc0");
     info->node.major = info->node.minor = 0;
-    link->dev = &info->node;
+    link->dev_node = &info->node;
 
     printk(KERN_INFO "%s: index 0x%02x:",
           info->node.dev_name, link->conf.ConfigIndex);
@@ -690,13 +677,12 @@ static void mgslpc_config(dev_link_t *link)
            printk(", io 0x%04x-0x%04x", link->io.BasePort1,
                   link->io.BasePort1+link->io.NumPorts1-1);
     printk("\n");
-    
-    link->state &= ~DEV_CONFIG_PENDING;
-    return;
+    return 0;
 
 cs_failed:
-    cs_error(link->handle, last_fn, last_ret);
+    cs_error(link, last_fn, last_ret);
     mgslpc_release((u_long)link);
+    return -ENODEV;
 }
 
 /* Card has been removed.
@@ -705,58 +691,38 @@ cs_failed:
  */
 static void mgslpc_release(u_long arg)
 {
-    dev_link_t *link = (dev_link_t *)arg;
+       struct pcmcia_device *link = (struct pcmcia_device *)arg;
 
-    if (debug_level >= DEBUG_LEVEL_INFO)
-           printk("mgslpc_release(0x%p)\n", link);
-
-    /* Unlink the device chain */
-    link->dev = NULL;
-    link->state &= ~DEV_CONFIG;
+       if (debug_level >= DEBUG_LEVEL_INFO)
+               printk("mgslpc_release(0x%p)\n", link);
 
-    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);
+       pcmcia_disable_device(link);
 }
 
-static void mgslpc_detach(struct pcmcia_device *p_dev)
+static void mgslpc_detach(struct pcmcia_device *link)
 {
-    dev_link_t *link = dev_to_instance(p_dev);
-
-    if (debug_level >= DEBUG_LEVEL_INFO)
-           printk("mgslpc_detach(0x%p)\n", link);
+       if (debug_level >= DEBUG_LEVEL_INFO)
+               printk("mgslpc_detach(0x%p)\n", link);
 
-    if (link->state & DEV_CONFIG) {
-           ((MGSLPC_INFO *)link->priv)->stop = 1;
-           mgslpc_release((u_long)link);
-    }
+       ((MGSLPC_INFO *)link->priv)->stop = 1;
+       mgslpc_release((u_long)link);
 
-    mgslpc_remove_device((MGSLPC_INFO *)link->priv);
+       mgslpc_remove_device((MGSLPC_INFO *)link->priv);
 }
 
-static int mgslpc_suspend(struct pcmcia_device *dev)
+static int mgslpc_suspend(struct pcmcia_device *link)
 {
-       dev_link_t *link = dev_to_instance(dev);
        MGSLPC_INFO *info = link->priv;
 
-       link->state |= DEV_SUSPEND;
        info->stop = 1;
-       if (link->state & DEV_CONFIG)
-               pcmcia_release_configuration(link->handle);
 
        return 0;
 }
 
-static int mgslpc_resume(struct pcmcia_device *dev)
+static int mgslpc_resume(struct pcmcia_device *link)
 {
-       dev_link_t *link = dev_to_instance(dev);
        MGSLPC_INFO *info = link->priv;
 
-       link->state &= ~DEV_SUSPEND;
-       if (link->state & DEV_CONFIG)
-               pcmcia_request_configuration(link->handle, &link->conf);
        info->stop = 0;
 
        return 0;
@@ -1007,8 +973,9 @@ static void rx_ready_hdlc(MGSLPC_INFO *info, int eom)
 
 static void rx_ready_async(MGSLPC_INFO *info, int tcd)
 {
-       unsigned char data, status;
+       unsigned char data, status, flag;
        int fifo_count;
+       int work = 0;
        struct tty_struct *tty = info->tty;
        struct mgsl_icount *icount = &info->icount;
 
@@ -1023,20 +990,16 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd)
                        fifo_count = 32;
        } else
                fifo_count = 32;
-       
+
+       tty_buffer_request_room(tty, fifo_count);
        /* Flush received async data to receive data buffer. */ 
        while (fifo_count) {
                data   = read_reg(info, CHA + RXFIFO);
                status = read_reg(info, CHA + RXFIFO);
                fifo_count -= 2;
 
-               if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-                       break;
-                       
-               *tty->flip.char_buf_ptr = data;
                icount->rx++;
-               
-               *tty->flip.flag_buf_ptr = 0;
+               flag = TTY_NORMAL;
 
                // if no frameing/crc error then save data
                // BIT7:parity error
@@ -1055,26 +1018,23 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd)
                        status &= info->read_status_mask;
 
                        if (status & BIT7)
-                               *tty->flip.flag_buf_ptr = TTY_PARITY;
+                               flag = TTY_PARITY;
                        else if (status & BIT6)
-                               *tty->flip.flag_buf_ptr = TTY_FRAME;
+                               flag = TTY_FRAME;
                }
-               
-               tty->flip.flag_buf_ptr++;
-               tty->flip.char_buf_ptr++;
-               tty->flip.count++;
+               work += tty_insert_flip_char(tty, data, flag);
        }
        issue_command(info, CHA, CMD_RXFIFO);
 
        if (debug_level >= DEBUG_LEVEL_ISR) {
-               printk("%s(%d):rx_ready_async count=%d\n",
-                       __FILE__,__LINE__,tty->flip.count);
+               printk("%s(%d):rx_ready_async",
+                       __FILE__,__LINE__);
                printk("%s(%d):rx=%d brk=%d parity=%d frame=%d overrun=%d\n",
                        __FILE__,__LINE__,icount->rx,icount->brk,
                        icount->parity,icount->frame,icount->overrun);
        }
                        
-       if (tty->flip.count)
+       if (work)
                tty_flip_buffer_push(tty);
 }
 
@@ -1286,7 +1246,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id, struct pt_regs * regs)
        if (!info)
                return IRQ_NONE;
                
-       if (!(info->link.state & DEV_CONFIG))
+       if (!(info->p_dev->_locked))
                return IRQ_HANDLED;
 
        spin_lock(&info->lock);
@@ -3039,7 +2999,7 @@ static struct pcmcia_driver mgslpc_driver = {
        .drv            = {
                .name   = "synclink_cs",
        },
-       .probe          = mgslpc_attach,
+       .probe          = mgslpc_probe,
        .remove         = mgslpc_detach,
        .id_table       = mgslpc_ids,
        .suspend        = mgslpc_suspend,
@@ -4005,7 +3965,7 @@ BOOLEAN register_test(MGSLPC_INFO *info)
 {
        static unsigned char patterns[] = 
            { 0x00, 0xff, 0xaa, 0x55, 0x69, 0x96, 0x0f };
-       static unsigned int count = sizeof(patterns) / sizeof(patterns[0]);
+       static unsigned int count = ARRAY_SIZE(patterns);
        unsigned int i;
        BOOLEAN rc = TRUE;
        unsigned long flags;
@@ -4016,7 +3976,7 @@ BOOLEAN register_test(MGSLPC_INFO *info)
        for (i = 0; i < count; i++) {
                write_reg(info, XAD1, patterns[i]);
                write_reg(info, XAD2, patterns[(i + 1) % count]);
-               if ((read_reg(info, XAD1) != patterns[i]) || 
+               if ((read_reg(info, XAD1) != patterns[i]) ||
                    (read_reg(info, XAD2) != patterns[(i + 1) % count])) {
                        rc = FALSE;
                        break;
@@ -4187,7 +4147,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
        }
 
        info->params.encoding = new_encoding;
-       info->params.crc_type = new_crctype;;
+       info->params.crc_type = new_crctype;
 
        /* if network interface up, reprogram hardware */
        if (info->netcount)