--- /dev/null
+/*
+ * Support for common PCI multi-I/O cards (which is most of them)
+ *
+ * Copyright (C) 2001 Tim Waugh <twaugh@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ *
+ * Multi-function PCI cards are supposed to present separate logical
+ * devices on the bus. A common thing to do seems to be to just use
+ * one logical device with lots of base address registers for both
+ * parallel ports and serial ports. This driver is for dealing with
+ * that.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/parport.h>
+#include <linux/parport_pc.h>
+#include <linux/8250_pci.h>
+
+enum parport_pc_pci_cards {
+ titan_110l = 0,
+ titan_210l,
+ netmos_9xx5_combo,
+ netmos_9855,
+ netmos_9855_2p,
+ netmos_9900,
+ netmos_9900_2p,
+ netmos_99xx_1p,
+ avlab_1s1p,
+ avlab_1s2p,
+ avlab_2s1p,
+ siig_1s1p_10x,
+ siig_2s1p_10x,
+ siig_2p1s_20x,
+ siig_1s1p_20x,
+ siig_2s1p_20x,
+ timedia_4078a,
+ timedia_4079h,
+ timedia_4085h,
+ timedia_4088a,
+ timedia_4089a,
+ timedia_4095a,
+ timedia_4096a,
+ timedia_4078u,
+ timedia_4079a,
+ timedia_4085u,
+ timedia_4079r,
+ timedia_4079s,
+ timedia_4079d,
+ timedia_4079e,
+ timedia_4079f,
+ timedia_9079a,
+ timedia_9079b,
+ timedia_9079c,
+ wch_ch353_1s1p,
+ wch_ch353_2s1p,
+ wch_ch382_2s1p,
+ sunix_2s1p,
+};
+
+/* each element directly indexed from enum list, above */
+struct parport_pc_pci {
+ int numports;
+ struct { /* BAR (base address registers) numbers in the config
+ space header */
+ int lo;
+ int hi; /* -1 if not there, >6 for offset-method (max
+ BAR is 6) */
+ } addr[4];
+
+ /* If set, this is called immediately after pci_enable_device.
+ * If it returns non-zero, no probing will take place and the
+ * ports will not be used. */
+ int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card,
+ int autoirq, int autodma);
+
+ /* If set, this is called after probing for ports. If 'failed'
+ * is non-zero we couldn't use any of the ports. */
+ void (*postinit_hook) (struct pci_dev *pdev,
+ struct parport_pc_pci *card, int failed);
+};
+
+static int netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par,
+ int autoirq, int autodma)
+{
+ /* the rule described below doesn't hold for this device */
+ if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
+ dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
+ dev->subsystem_device == 0x0299)
+ return -ENODEV;
+
+ if (dev->device == PCI_DEVICE_ID_NETMOS_9912) {
+ par->numports = 1;
+ } else {
+ /*
+ * Netmos uses the subdevice ID to indicate the number of parallel
+ * and serial ports. The form is 0x00PS, where <P> is the number of
+ * parallel ports and <S> is the number of serial ports.
+ */
+ par->numports = (dev->subsystem_device & 0xf0) >> 4;
+ if (par->numports > ARRAY_SIZE(par->addr))
+ par->numports = ARRAY_SIZE(par->addr);
+ }
+
+ return 0;
+}
+
+static struct parport_pc_pci cards[] = {
+ /* titan_110l */ { 1, { { 3, -1 }, } },
+ /* titan_210l */ { 1, { { 3, -1 }, } },
+ /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init },
+ /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init },
+ /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } },
+ /* netmos_9900 */ {1, { { 3, 4 }, }, netmos_parallel_init },
+ /* netmos_9900_2p */ {2, { { 0, 1 }, { 3, 4 }, } },
+ /* netmos_99xx_1p */ {1, { { 0, 1 }, } },
+ /* avlab_1s1p */ { 1, { { 1, 2}, } },
+ /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
+ /* avlab_2s1p */ { 1, { { 2, 3}, } },
+ /* siig_1s1p_10x */ { 1, { { 3, 4 }, } },
+ /* siig_2s1p_10x */ { 1, { { 4, 5 }, } },
+ /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } },
+ /* siig_1s1p_20x */ { 1, { { 1, 2 }, } },
+ /* siig_2s1p_20x */ { 1, { { 2, 3 }, } },
+ /* timedia_4078a */ { 1, { { 2, -1 }, } },
+ /* timedia_4079h */ { 1, { { 2, 3 }, } },
+ /* timedia_4085h */ { 2, { { 2, -1 }, { 4, -1 }, } },
+ /* timedia_4088a */ { 2, { { 2, 3 }, { 4, 5 }, } },
+ /* timedia_4089a */ { 2, { { 2, 3 }, { 4, 5 }, } },
+ /* timedia_4095a */ { 2, { { 2, 3 }, { 4, 5 }, } },
+ /* timedia_4096a */ { 2, { { 2, 3 }, { 4, 5 }, } },
+ /* timedia_4078u */ { 1, { { 2, -1 }, } },
+ /* timedia_4079a */ { 1, { { 2, 3 }, } },
+ /* timedia_4085u */ { 2, { { 2, -1 }, { 4, -1 }, } },
+ /* timedia_4079r */ { 1, { { 2, 3 }, } },
+ /* timedia_4079s */ { 1, { { 2, 3 }, } },
+ /* timedia_4079d */ { 1, { { 2, 3 }, } },
+ /* timedia_4079e */ { 1, { { 2, 3 }, } },
+ /* timedia_4079f */ { 1, { { 2, 3 }, } },
+ /* timedia_9079a */ { 1, { { 2, 3 }, } },
+ /* timedia_9079b */ { 1, { { 2, 3 }, } },
+ /* timedia_9079c */ { 1, { { 2, 3 }, } },
+ /* wch_ch353_1s1p*/ { 1, { { 1, -1}, } },
+ /* wch_ch353_2s1p*/ { 1, { { 2, -1}, } },
+ /* wch_ch382_2s1p*/ { 1, { { 2, -1}, } },
+ /* sunix_2s1p */ { 1, { { 3, -1 }, } },
+};
+
+#define PCI_VENDOR_ID_SUNIX 0x1fd4
+#define PCI_DEVICE_ID_SUNIX_1999 0x1999
+
+static struct pci_device_id parport_serial_pci_tbl[] = {
+ /* PCI cards */
+ { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
+ { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
+ 0x1000, 0x0020, 0, 0, netmos_9855_2p },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
+ 0x1000, 0x0022, 0, 0, netmos_9855_2p },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
+ 0xA000, 0x3011, 0, 0, netmos_9900 },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
+ 0xA000, 0x3012, 0, 0, netmos_9900 },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
+ 0xA000, 0x3020, 0, 0, netmos_9900_2p },
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912,
+ 0xA000, 0x2000, 0, 0, netmos_99xx_1p },
+ /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
+ { PCI_VENDOR_ID_AFAVLAB, 0x2110,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2111,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2112,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2140,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2141,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2142,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2160,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2161,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
+ { PCI_VENDOR_ID_AFAVLAB, 0x2162,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
+ { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
+ /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/
+ { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a },
+ { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h },
+ { 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h },
+ { 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a },
+ { 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a },
+ { 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a },
+ { 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a },
+ { 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u },
+ { 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a },
+ { 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u },
+ { 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r },
+ { 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s },
+ { 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d },
+ { 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e },
+ { 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f },
+ { 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a },
+ { 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b },
+ { 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c },
+
+ /* WCH CARDS */
+ { 0x4348, 0x5053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, wch_ch353_1s1p},
+ { 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p},
+ { 0x1c00, 0x3250, 0x1c00, 0x3250, 0, 0, wch_ch382_2s1p},
+
+ /*
+ * More SUNIX variations. At least one of these has part number
+ * '5079A but subdevice 0x102. That board reports 0x0708 as
+ * its PCI Class.
+ */
+ { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX,
+ 0x0102, 0, 0, sunix_2s1p },
+
+ { 0, } /* terminate list */
+};
+MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
+
+/*
+ * 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[] = {
+ [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,
+ },
+ [netmos_9855_2p] = {
+ .flags = FL_BASE4 | FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ },
+ [netmos_9900] = { /* n/t */
+ .flags = FL_BASE0 | FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ },
+ [netmos_9900_2p] = { /* parallel only */ /* n/t */
+ .flags = FL_BASE0,
+ .num_ports = 0,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ },
+ [netmos_99xx_1p] = { /* parallel only */ /* n/t */
+ .flags = FL_BASE0,
+ .num_ports = 0,
+ .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_1s2p] = { /* n/t */
+ .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,
+ },
+ [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,
+ },
+ [timedia_4078a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079h] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4085h] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4088a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4089a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4095a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4096a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4078u] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4085u] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079r] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079s] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079d] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079e] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_4079f] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_9079a] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_9079b] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [timedia_9079c] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+ [wch_ch353_1s1p] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 1,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ },
+ [wch_ch353_2s1p] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 2,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ },
+ [wch_ch382_2s1p] = {
+ .flags = FL_BASE0,
+ .num_ports = 2,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ .first_offset = 0xC0,
+ },
+ [sunix_2s1p] = {
+ .flags = FL_BASE0|FL_BASE_BARS,
+ .num_ports = 2,
+ .base_baud = 921600,
+ .uart_offset = 8,
+ },
+};
+
+struct parport_serial_private {
+ struct serial_private *serial;
+ int num_par;
+ struct parport *port[PARPORT_MAX];
+ struct parport_pc_pci par;
+};
+
+/* Register the serial port(s) of a PCI card. */
+static int serial_register(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ struct parport_serial_private *priv = pci_get_drvdata (dev);
+ struct pciserial_board *board;
+ struct serial_private *serial;
+
+ board = &pci_parport_serial_boards[id->driver_data];
+
+ if (board->num_ports == 0)
+ return 0;
+
+ serial = pciserial_init_ports(dev, board);
+
+ if (IS_ERR(serial))
+ return PTR_ERR(serial);
+
+ priv->serial = serial;
+ return 0;
+}
+
+/* Register the parallel port(s) of a PCI card. */
+static int parport_register(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ struct parport_pc_pci *card;
+ struct parport_serial_private *priv = pci_get_drvdata (dev);
+ int n, success = 0;
+
+ priv->par = cards[id->driver_data];
+ card = &priv->par;
+ if (card->preinit_hook &&
+ card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
+ return -ENODEV;
+
+ for (n = 0; n < card->numports; n++) {
+ struct parport *port;
+ int lo = card->addr[n].lo;
+ int hi = card->addr[n].hi;
+ unsigned long io_lo, io_hi;
+ int irq;
+
+ if (priv->num_par == ARRAY_SIZE (priv->port)) {
+ printk (KERN_WARNING
+ "parport_serial: %s: only %zu parallel ports "
+ "supported (%d reported)\n", pci_name (dev),
+ ARRAY_SIZE(priv->port), card->numports);
+ break;
+ }
+
+ io_lo = pci_resource_start (dev, lo);
+ io_hi = 0;
+ if ((hi >= 0) && (hi <= 6))
+ io_hi = pci_resource_start (dev, hi);
+ else if (hi > 6)
+ io_lo += hi; /* Reinterpret the meaning of
+ "hi" as an offset (see SYBA
+ def.) */
+ /* TODO: test if sharing interrupts works */
+ irq = dev->irq;
+ if (irq == IRQ_NONE) {
+ dev_dbg(&dev->dev,
+ "PCI parallel port detected: I/O at %#lx(%#lx)\n",
+ io_lo, io_hi);
+ irq = PARPORT_IRQ_NONE;
+ } else {
+ dev_dbg(&dev->dev,
+ "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n",
+ io_lo, io_hi, irq);
+ }
+ port = parport_pc_probe_port (io_lo, io_hi, irq,
+ PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED);
+ if (port) {
+ priv->port[priv->num_par++] = port;
+ success = 1;
+ }
+ }
+
+ if (card->postinit_hook)
+ card->postinit_hook (dev, card, !success);
+
+ return 0;
+}
+
+static int parport_serial_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ struct parport_serial_private *priv;
+ int err;
+
+ priv = kzalloc (sizeof *priv, GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+ pci_set_drvdata (dev, priv);
+
+ err = pci_enable_device (dev);
+ if (err) {
+ kfree (priv);
+ return err;
+ }
+
+ if (parport_register (dev, id)) {
+ kfree (priv);
+ return -ENODEV;
+ }
+
+ if (serial_register (dev, id)) {
+ int i;
+ for (i = 0; i < priv->num_par; i++)
+ parport_pc_unregister_port (priv->port[i]);
+ kfree (priv);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void parport_serial_pci_remove(struct pci_dev *dev)
+{
+ struct parport_serial_private *priv = pci_get_drvdata (dev);
+ int i;
+
+ // Serial ports
+ if (priv->serial)
+ pciserial_remove_ports(priv->serial);
+
+ // Parallel ports
+ for (i = 0; i < priv->num_par; i++)
+ parport_pc_unregister_port (priv->port[i]);
+
+ kfree (priv);
+ return;
+}
+
+#ifdef CONFIG_PM
+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);
+ int err;
+
+ pci_set_power_state(dev, PCI_D0);
+ pci_restore_state(dev);
+
+ /*
+ * The device may have been disabled. Re-enable it.
+ */
+ err = pci_enable_device(dev);
+ if (err) {
+ printk(KERN_ERR "parport_serial: %s: error enabling "
+ "device for resume (%d)\n", pci_name(dev), err);
+ return err;
+ }
+
+ if (priv->serial)
+ pciserial_resume_ports(priv->serial);
+
+ /* FIXME: What about parport? */
+
+ return 0;
+}
+#endif
+
+static struct pci_driver parport_serial_pci_driver = {
+ .name = "parport_serial",
+ .id_table = parport_serial_pci_tbl,
+ .probe = parport_serial_pci_probe,
+ .remove = parport_serial_pci_remove,
+#ifdef CONFIG_PM
+ .suspend = parport_serial_pci_suspend,
+ .resume = parport_serial_pci_resume,
+#endif
+};
+
+
+static int __init parport_serial_init (void)
+{
+ return pci_register_driver (&parport_serial_pci_driver);
+}
+
+static void __exit parport_serial_exit (void)
+{
+ pci_unregister_driver (&parport_serial_pci_driver);
+ return;
+}
+
+MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
+MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
+MODULE_LICENSE("GPL");
+
+module_init(parport_serial_init);
+module_exit(parport_serial_exit);
Code Review / kvmfornfv.git / blobdiff