Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / firmware / pcdp.h

diff --git a/kernel/drivers/firmware/pcdp.h b/kernel/drivers/firmware/pcdp.h
new file mode 100644 (file)
index 0000000..e553060
--- /dev/null
+++ b/kernel/drivers/firmware/pcdp.h
@@ -0,0 +1,111 @@
+/*
+ * Definitions for PCDP-defined console devices
+ *
+ * For DIG64_HCDPv10a_01.pdf and DIG64_PCDPv20.pdf (v1.0a and v2.0 resp.),
+ * please see <http://www.dig64.org/specifications/>
+ *
+ * (c) Copyright 2002, 2004 Hewlett-Packard Development Company, L.P.
+ *     Khalid Aziz <khalid.aziz@hp.com>
+ *     Bjorn Helgaas <bjorn.helgaas@hp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define PCDP_CONSOLE                   0
+#define PCDP_DEBUG                     1
+#define PCDP_CONSOLE_OUTPUT            2
+#define PCDP_CONSOLE_INPUT             3
+
+#define PCDP_UART                      (0 << 3)
+#define PCDP_VGA                       (1 << 3)
+#define PCDP_USB                       (2 << 3)
+
+/* pcdp_uart.type and pcdp_device.type */
+#define PCDP_CONSOLE_UART              (PCDP_UART | PCDP_CONSOLE)
+#define PCDP_DEBUG_UART                        (PCDP_UART | PCDP_DEBUG)
+#define PCDP_CONSOLE_VGA               (PCDP_VGA  | PCDP_CONSOLE_OUTPUT)
+#define PCDP_CONSOLE_USB               (PCDP_USB  | PCDP_CONSOLE_INPUT)
+
+/* pcdp_uart.flags */
+#define PCDP_UART_EDGE_SENSITIVE       (1 << 0)
+#define PCDP_UART_ACTIVE_LOW           (1 << 1)
+#define PCDP_UART_PRIMARY_CONSOLE      (1 << 2)
+#define PCDP_UART_IRQ                  (1 << 6) /* in pci_func for rev < 3 */
+#define PCDP_UART_PCI                  (1 << 7) /* in pci_func for rev < 3 */
+
+struct pcdp_uart {
+       u8                              type;
+       u8                              bits;
+       u8                              parity;
+       u8                              stop_bits;
+       u8                              pci_seg;
+       u8                              pci_bus;
+       u8                              pci_dev;
+       u8                              pci_func;
+       u64                             baud;
+       struct acpi_generic_address     addr;
+       u16                             pci_dev_id;
+       u16                             pci_vendor_id;
+       u32                             gsi;
+       u32                             clock_rate;
+       u8                              pci_prog_intfc;
+       u8                              flags;
+       u16                             conout_index;
+       u32                             reserved;
+} __attribute__((packed));
+
+#define PCDP_IF_PCI    1
+
+/* pcdp_if_pci.trans */
+#define PCDP_PCI_TRANS_IOPORT  0x02
+#define PCDP_PCI_TRANS_MMIO    0x01
+
+struct pcdp_if_pci {
+       u8                      interconnect;
+       u8                      reserved;
+       u16                     length;
+       u8                      segment;
+       u8                      bus;
+       u8                      dev;
+       u8                      fun;
+       u16                     dev_id;
+       u16                     vendor_id;
+       u32                     acpi_interrupt;
+       u64                     mmio_tra;
+       u64                     ioport_tra;
+       u8                      flags;
+       u8                      trans;
+} __attribute__((packed));
+
+struct pcdp_vga {
+       u8                      count;          /* address space descriptors */
+} __attribute__((packed));
+
+/* pcdp_device.flags */
+#define PCDP_PRIMARY_CONSOLE   1
+
+struct pcdp_device {
+       u8                      type;
+       u8                      flags;
+       u16                     length;
+       u16                     efi_index;
+       /* next data is pcdp_if_pci or pcdp_if_acpi (not yet supported) */
+       /* next data is device specific type (currently only pcdp_vga) */
+} __attribute__((packed));
+
+struct pcdp {
+       u8                      signature[4];
+       u32                     length;
+       u8                      rev;            /* PCDP v2.0 is rev 3 */
+       u8                      chksum;
+       u8                      oemid[6];
+       u8                      oem_tabid[8];
+       u32                     oem_rev;
+       u8                      creator_id[4];
+       u32                     creator_rev;
+       u32                     num_uarts;
+       struct pcdp_uart        uart[0];        /* actual size is num_uarts */
+       /* remainder of table is pcdp_device structures */
+} __attribute__((packed));