tree ac9f8f2cc032281af09200da514257d120510906
parent 241fc4367b3ca5d407b043599ed980304a70b91f
author Russell King <[EMAIL PROTECTED]> Wed, 27 Jul 2005 11:41:18 +0100
committer Russell King <[EMAIL PROTECTED]> Wed, 27 Jul 2005 11:41:18 +0100

[SERIAL] Convert parport_serial to use new 8250_pci interfaces

Convert parport_serial to use the new 8250_pci interface, converting
the table to a pciserial_board table.  This also unuses the SPCI_*
definitions in serialP.h, which can now be removed.

Signed-off-by: Russell King <[EMAIL PROTECTED]>

 drivers/parport/parport_serial.c |  339 +++++++++++++++++++--------------------
 drivers/serial/8250_pci.c        |   21 --
 include/linux/8250_pci.h         |    3 
 include/linux/serialP.h          |   40 ----
 4 files changed, 167 insertions(+), 236 deletions(-)

diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c
--- a/drivers/parport/parport_serial.c
+++ b/drivers/parport/parport_serial.c
@@ -23,13 +23,8 @@
 #include <linux/pci.h>
 #include <linux/parport.h>
 #include <linux/parport_pc.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>
-#include <linux/list.h>
 #include <linux/8250_pci.h>
 
-#include <asm/serial.h>
-
 enum parport_pc_pci_cards {
        titan_110l = 0,
        titan_210l,
@@ -168,182 +163,147 @@ static struct pci_device_id parport_seri
 };
 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
 
-struct pci_board_no_ids {
-       int flags;
-       int num_ports;
-       int base_baud;
-       int uart_offset;
-       int reg_shift;
-       int (*init_fn)(struct pci_dev *dev, struct pci_board_no_ids *board,
-                       int enable);
-       int first_uart_offset;
-};
-
-static int __devinit siig10x_init_fn(struct pci_dev *dev, struct 
pci_board_no_ids *board, int enable)
-{
-       return pci_siig10x_fn(dev, enable);
-}
-
-static int __devinit siig20x_init_fn(struct pci_dev *dev, struct 
pci_board_no_ids *board, int enable)
-{
-       return pci_siig20x_fn(dev, enable);
-}
-
-static int __devinit netmos_serial_init(struct pci_dev *dev, struct 
pci_board_no_ids *board, int enable)
-{
-       board->num_ports = dev->subsystem_device & 0xf;
-       return 0;
-}
-
-static struct pci_board_no_ids pci_boards[] __devinitdata = {
-       /*
-        * PCI Flags, Number of Ports, Base (Maximum) Baud Rate,
-        * Offset to get to next UART's registers,
-        * Register shift to use for memory-mapped I/O,
-        * Initialization function, first UART offset
-        */
-
-// Cards not tested are marked n/t
-// If you have one of these cards and it works for you, please tell me..
-
-/* titan_110l */       { SPCI_FL_BASE1 | SPCI_FL_BASE_TABLE, 1, 921600 },
-/* titan_210l */       { SPCI_FL_BASE1 | SPCI_FL_BASE_TABLE, 2, 921600 },
-/* netmos_9xx5_combo */        { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 
115200, 0, 0, netmos_serial_init },
-/* netmos_9855 */      { SPCI_FL_BASE2 | SPCI_FL_BASE_TABLE, 1, 115200, 0, 0, 
netmos_serial_init },
-/* avlab_1s1p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
-/* avlab_1s1p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
-/* avlab_1s1p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
-/* avlab_1s2p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
-/* avlab_1s2p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
-/* avlab_1s2p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
-/* avlab_2s1p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 },
-/* avlab_2s1p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 },
-/* avlab_2s1p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 },
-/* siig_1s1p_10x */    { SPCI_FL_BASE2, 1, 460800, 0, 0, siig10x_init_fn },
-/* siig_2s1p_10x */    { SPCI_FL_BASE2, 1, 921600, 0, 0, siig10x_init_fn },
-/* siig_2p1s_20x */    { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn },
-/* siig_1s1p_20x */    { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn },
-/* siig_2s1p_20x */    { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn },
+/*
+ * This table describes the serial "geometry" of these boards.  Any
+ * quirks for these can be found in drivers/serial/8250_pci.c
+ *
+ * Cards not tested are marked n/t
+ * If you have one of these cards and it works for you, please tell me..
+ */
+static struct pciserial_board pci_parport_serial_boards[] __devinitdata = {
+       [titan_110l] = {
+               .flags          = FL_BASE1 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 921600,
+               .uart_offset    = 8,
+       },
+       [titan_210l] = {
+               .flags          = FL_BASE1 | FL_BASE_BARS,
+               .num_ports      = 2,
+               .base_baud      = 921600,
+               .uart_offset    = 8,
+       },
+       [netmos_9xx5_combo] = {
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [netmos_9855] = {
+               .flags          = FL_BASE2 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_1s1p] = { /* n/t */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_1s1p_650] = { /* nt */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_1s1p_850] = { /* nt */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_1s2p] = { /* n/t */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_1s2p_650] = { /* nt */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_1s2p_850] = { /* nt */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 1,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_2s1p] = { /* n/t */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 2,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_2s1p_650] = { /* nt */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 2,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [avlab_2s1p_850] = { /* nt */
+               .flags          = FL_BASE0 | FL_BASE_BARS,
+               .num_ports      = 2,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [siig_1s1p_10x] = {
+               .flags          = FL_BASE2,
+               .num_ports      = 1,
+               .base_baud      = 460800,
+               .uart_offset    = 8,
+       },
+       [siig_2s1p_10x] = {
+               .flags          = FL_BASE2,
+               .num_ports      = 1,
+               .base_baud      = 921600,
+               .uart_offset    = 8,
+       },
+       [siig_2p1s_20x] = {
+               .flags          = FL_BASE0,
+               .num_ports      = 1,
+               .base_baud      = 921600,
+               .uart_offset    = 8,
+       },
+       [siig_1s1p_20x] = {
+               .flags          = FL_BASE0,
+               .num_ports      = 1,
+               .base_baud      = 921600,
+               .uart_offset    = 8,
+       },
+       [siig_2s1p_20x] = {
+               .flags          = FL_BASE0,
+               .num_ports      = 1,
+               .base_baud      = 921600,
+               .uart_offset    = 8,
+       },
 };
 
 struct parport_serial_private {
-       int num_ser;
-       int line[20];
-       struct pci_board_no_ids ser;
+       struct serial_private   *serial;
        int num_par;
        struct parport *port[PARPORT_MAX];
        struct parport_pc_pci par;
 };
 
-static int __devinit get_pci_port (struct pci_dev *dev,
-                                  struct pci_board_no_ids *board,
-                                  struct serial_struct *req,
-                                  int idx)
-{
-       unsigned long port;
-       int base_idx;
-       int max_port;
-       int offset;
-
-       base_idx = SPCI_FL_GET_BASE(board->flags);
-       if (board->flags & SPCI_FL_BASE_TABLE)
-               base_idx += idx;
-
-       if (board->flags & SPCI_FL_REGION_SZ_CAP) {
-               max_port = pci_resource_len(dev, base_idx) / 8;
-               if (idx >= max_port)
-                       return 1;
-       }
-                       
-       offset = board->first_uart_offset;
-
-       /* Timedia/SUNIX uses a mixture of BARs and offsets */
-       /* Ugh, this is ugly as all hell --- TYT */
-       if(dev->vendor == PCI_VENDOR_ID_TIMEDIA )  /* 0x1409 */
-               switch(idx) {
-                       case 0: base_idx=0;
-                               break;
-                       case 1: base_idx=0; offset=8;
-                               break;
-                       case 2: base_idx=1; 
-                               break;
-                       case 3: base_idx=1; offset=8;
-                               break;
-                       case 4: /* BAR 2*/
-                       case 5: /* BAR 3 */
-                       case 6: /* BAR 4*/
-                       case 7: base_idx=idx-2; /* BAR 5*/
-               }
-  
-       port =  pci_resource_start(dev, base_idx) + offset;
-
-       if ((board->flags & SPCI_FL_BASE_TABLE) == 0)
-               port += idx * (board->uart_offset ? board->uart_offset : 8);
-
-       if (pci_resource_flags (dev, base_idx) & IORESOURCE_IO) {
-               int high_bits_offset = ((sizeof(long)-sizeof(int))*8);
-               req->port = port;
-               if (high_bits_offset)
-                       req->port_high = port >> high_bits_offset;
-               else
-                       req->port_high = 0;
-               return 0;
-       }
-       req->io_type = SERIAL_IO_MEM;
-       req->iomem_base = ioremap(port, board->uart_offset);
-       req->iomem_reg_shift = board->reg_shift;
-       req->port = 0;
-       return req->iomem_base ? 0 : 1;
-}
-
 /* Register the serial port(s) of a PCI card. */
 static int __devinit serial_register (struct pci_dev *dev,
                                      const struct pci_device_id *id)
 {
-       struct pci_board_no_ids *board;
        struct parport_serial_private *priv = pci_get_drvdata (dev);
-       struct serial_struct serial_req;
-       int base_baud;
-       int k;
-       int success = 0;
-
-       priv->ser = pci_boards[id->driver_data];
-       board = &priv->ser;
-       if (board->init_fn && ((board->init_fn) (dev, board, 1) != 0))
-               return 1;
-
-       base_baud = board->base_baud;
-       if (!base_baud)
-               base_baud = BASE_BAUD;
-       memset (&serial_req, 0, sizeof (serial_req));
-
-       for (k = 0; k < board->num_ports; k++) {
-               int line;
+       struct pciserial_board *board;
+       struct serial_private *serial;
 
-               if (priv->num_ser == ARRAY_SIZE (priv->line)) {
-                       printk (KERN_WARNING
-                               "parport_serial: %s: only %u serial lines "
-                               "supported (%d reported)\n", pci_name (dev),
-                               ARRAY_SIZE (priv->line), board->num_ports);
-                       break;
-               }
+       board = &pci_parport_serial_boards[id->driver_data];
+       serial = pciserial_init_ports(dev, board);
 
-               serial_req.irq = dev->irq;
-               if (get_pci_port (dev, board, &serial_req, k))
-                       break;
-               serial_req.flags = ASYNC_SKIP_TEST | ASYNC_AUTOPROBE;
-               serial_req.baud_base = base_baud;
-               line = register_serial (&serial_req);
-               if (line < 0) {
-                       printk (KERN_DEBUG
-                               "parport_serial: register_serial failed\n");
-                       continue;
-               }
-               priv->line[priv->num_ser++] = line;
-               success = 1;
-       }
+       if (IS_ERR(serial))
+               return PTR_ERR(serial);
 
-       return success ? 0 : 1;
+       priv->serial = serial;
+       return 0;
 }
 
 /* Register the parallel port(s) of a PCI card. */
@@ -411,7 +371,7 @@ static int __devinit parport_serial_pci_
        priv = kmalloc (sizeof *priv, GFP_KERNEL);
        if (!priv)
                return -ENOMEM;
-       priv->num_ser = priv->num_par = 0;
+       memset(priv, 0, sizeof(struct parport_serial_private));
        pci_set_drvdata (dev, priv);
 
        err = pci_enable_device (dev);
@@ -444,15 +404,12 @@ static void __devexit parport_serial_pci
        struct parport_serial_private *priv = pci_get_drvdata (dev);
        int i;
 
+       pci_set_drvdata(dev, NULL);
+
        // Serial ports
-       for (i = 0; i < priv->num_ser; i++) {
-               unregister_serial (priv->line[i]);
+       if (priv->serial)
+               pciserial_remove_ports(priv->serial);
 
-               if (priv->ser.init_fn)
-                       (priv->ser.init_fn) (dev, &priv->ser, 0);
-       }
-       pci_set_drvdata (dev, NULL);
-       
        // Parallel ports
        for (i = 0; i < priv->num_par; i++)
                parport_pc_unregister_port (priv->port[i]);
@@ -461,11 +418,47 @@ static void __devexit parport_serial_pci
        return;
 }
 
+static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+       struct parport_serial_private *priv = pci_get_drvdata(dev);
+
+       if (priv->serial)
+               pciserial_suspend_ports(priv->serial);
+
+       /* FIXME: What about parport? */
+
+       pci_save_state(dev);
+       pci_set_power_state(dev, pci_choose_state(dev, state));
+       return 0;
+}
+
+static int parport_serial_pci_resume(struct pci_dev *dev)
+{
+       struct parport_serial_private *priv = pci_get_drvdata(dev);
+
+       pci_set_power_state(dev, PCI_D0);
+       pci_restore_state(dev);
+
+       /*
+        * The device may have been disabled.  Re-enable it.
+        */
+       pci_enable_device(dev);
+
+       if (priv->serial)
+               pciserial_resume_ports(priv->serial);
+
+       /* FIXME: What about parport? */
+
+       return 0;
+}
+
 static struct pci_driver parport_serial_pci_driver = {
        .name           = "parport_serial",
        .id_table       = parport_serial_pci_tbl,
        .probe          = parport_serial_pci_probe,
        .remove         = __devexit_p(parport_serial_pci_remove),
+       .suspend        = parport_serial_pci_suspend,
+       .resume         = parport_serial_pci_resume,
 };
 
 
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -46,7 +46,7 @@ struct pci_serial_quirk {
        u32     subdevice;
        int     (*init)(struct pci_dev *dev);
        int     (*setup)(struct serial_private *, struct pciserial_board *,
-                        struct uart_port *port, int idx);
+                        struct uart_port *, int);
        void    (*exit)(struct pci_dev *dev);
 };
 
@@ -436,25 +436,6 @@ static int pci_siig_init(struct pci_dev 
        return -ENODEV;
 }
 
-int pci_siig10x_fn(struct pci_dev *dev, int enable)
-{
-       int ret = 0;
-       if (enable)
-               ret = pci_siig10x_init(dev);
-       return ret;
-}
-
-int pci_siig20x_fn(struct pci_dev *dev, int enable)
-{
-       int ret = 0;
-       if (enable)
-               ret = pci_siig20x_init(dev);
-       return ret;
-}
-
-EXPORT_SYMBOL(pci_siig10x_fn);
-EXPORT_SYMBOL(pci_siig20x_fn);
-
 /*
  * Timedia has an explosion of boards, and to avoid the PCI table from
  * growing *huge*, we use this function to collapse some 70 entries
diff --git a/include/linux/8250_pci.h b/include/linux/8250_pci.h
--- a/include/linux/8250_pci.h
+++ b/include/linux/8250_pci.h
@@ -35,6 +35,3 @@ pciserial_init_ports(struct pci_dev *dev
 void pciserial_remove_ports(struct serial_private *priv);
 void pciserial_suspend_ports(struct serial_private *priv);
 void pciserial_resume_ports(struct serial_private *priv);
-
-int pci_siig10x_fn(struct pci_dev *dev, int enable);
-int pci_siig20x_fn(struct pci_dev *dev, int enable);
diff --git a/include/linux/serialP.h b/include/linux/serialP.h
--- a/include/linux/serialP.h
+++ b/include/linux/serialP.h
@@ -140,44 +140,4 @@ struct rs_multiport_struct {
 #define ALPHA_KLUDGE_MCR 0
 #endif
 
-/*
- * Definitions for PCI support.
- */
-#define SPCI_FL_BASE_MASK      0x0007
-#define SPCI_FL_BASE0  0x0000
-#define SPCI_FL_BASE1  0x0001
-#define SPCI_FL_BASE2  0x0002
-#define SPCI_FL_BASE3  0x0003
-#define SPCI_FL_BASE4  0x0004
-#define SPCI_FL_GET_BASE(x)    (x & SPCI_FL_BASE_MASK)
-
-#define SPCI_FL_IRQ_MASK       (0x0007 << 4)
-#define SPCI_FL_IRQBASE0       (0x0000 << 4)
-#define SPCI_FL_IRQBASE1       (0x0001 << 4)
-#define SPCI_FL_IRQBASE2       (0x0002 << 4)
-#define SPCI_FL_IRQBASE3       (0x0003 << 4)
-#define SPCI_FL_IRQBASE4       (0x0004 << 4)
-#define SPCI_FL_GET_IRQBASE(x)        ((x & SPCI_FL_IRQ_MASK) >> 4)
-
-/* Use successive BARs (PCI base address registers), 
-   else use offset into some specified BAR */
-#define SPCI_FL_BASE_TABLE     0x0100
-
-/* Use successive entries in the irq resource table */
-#define SPCI_FL_IRQ_TABLE      0x0200
-
-/* Use the irq resource table instead of dev->irq */
-#define SPCI_FL_IRQRESOURCE    0x0400
-
-/* Use the Base address register size to cap number of ports */
-#define SPCI_FL_REGION_SZ_CAP  0x0800
-
-/* Do not use irq sharing for this device */
-#define SPCI_FL_NO_SHIRQ       0x1000
-
-/* This is a PNP device */
-#define SPCI_FL_ISPNP          0x2000
-
-#define SPCI_FL_PNPDEFAULT     (SPCI_FL_IRQRESOURCE|SPCI_FL_ISPNP)
-
 #endif /* _LINUX_SERIAL_H */
-
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