--- /dev/null
+/*
+ * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
+ *
+ * ADDI-DATA GmbH
+ * Dieselstrasse 3
+ * D-77833 Ottersweier
+ * Tel: +19(0)7223/9493-0
+ * Fax: +49(0)7223/9493-92
+ * http://www.addi-data-com
+ * info@addi-data.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.
+ */
+
+/* Header file for AMCC s 5933 */
+
+#ifndef _AMCC_S5933_H_
+#define _AMCC_S5933_H_
+
+#include "../../comedidev.h"
+
+#include "../comedi_pci.h"
+
+#ifdef PCI_SUPPORT_VER1
+#error No support for 2.1.55 and older
+#endif
+
+/* written on base0 */
+#define FIFO_ADVANCE_ON_BYTE_2 0x20000000
+
+/* added for step 6 dma written on base2 */
+#define AMWEN_ENABLE 0x02
+
+#define A2P_FIFO_WRITE_ENABLE 0x01
+
+/* for transfer count enable bit */
+#define AGCSTS_TC_ENABLE 0x10000000
+
+/*
+ * ADDON RELATED ADDITIONS
+ */
+/* Constant */
+#define APCI3120_ENABLE_TRANSFER_ADD_ON_LOW 0x00
+#define APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH 0x1200
+#define APCI3120_A2P_FIFO_MANAGEMENT 0x04000400L
+#define APCI3120_AMWEN_ENABLE 0x02
+#define APCI3120_A2P_FIFO_WRITE_ENABLE 0x01
+#define APCI3120_FIFO_ADVANCE_ON_BYTE_2 0x20000000L
+#define APCI3120_ENABLE_WRITE_TC_INT 0x00004000L
+#define APCI3120_CLEAR_WRITE_TC_INT 0x00040000L
+#define APCI3120_DISABLE_AMWEN_AND_A2P_FIFO_WRITE 0x0
+#define APCI3120_DISABLE_BUS_MASTER_ADD_ON 0x0
+#define APCI3120_DISABLE_BUS_MASTER_PCI 0x0
+
+/* ADD_ON ::: this needed since apci supports 16 bit interface to add on */
+#define APCI3120_ADD_ON_AGCSTS_LOW 0x3C
+#define APCI3120_ADD_ON_AGCSTS_HIGH (APCI3120_ADD_ON_AGCSTS_LOW + 2)
+#define APCI3120_ADD_ON_MWAR_LOW 0x24
+#define APCI3120_ADD_ON_MWAR_HIGH (APCI3120_ADD_ON_MWAR_LOW + 2)
+#define APCI3120_ADD_ON_MWTC_LOW 0x058
+#define APCI3120_ADD_ON_MWTC_HIGH (APCI3120_ADD_ON_MWTC_LOW + 2)
+
+/* AMCC */
+#define APCI3120_AMCC_OP_MCSR 0x3C
+#define APCI3120_AMCC_OP_REG_INTCSR 0x38
+
+/*
+ * AMCC Operation Register Offsets - PCI
+ */
+#define AMCC_OP_REG_OMB1 0x00
+#define AMCC_OP_REG_OMB2 0x04
+#define AMCC_OP_REG_OMB3 0x08
+#define AMCC_OP_REG_OMB4 0x0c
+#define AMCC_OP_REG_IMB1 0x10
+#define AMCC_OP_REG_IMB2 0x14
+#define AMCC_OP_REG_IMB3 0x18
+#define AMCC_OP_REG_IMB4 0x1c
+#define AMCC_OP_REG_FIFO 0x20
+#define AMCC_OP_REG_MWAR 0x24
+#define AMCC_OP_REG_MWTC 0x28
+#define AMCC_OP_REG_MRAR 0x2c
+#define AMCC_OP_REG_MRTC 0x30
+#define AMCC_OP_REG_MBEF 0x34
+#define AMCC_OP_REG_INTCSR 0x38
+/* INT source */
+#define AMCC_OP_REG_INTCSR_SRC (AMCC_OP_REG_INTCSR + 2)
+/* FIFO ctrl */
+#define AMCC_OP_REG_INTCSR_FEC (AMCC_OP_REG_INTCSR + 3)
+#define AMCC_OP_REG_MCSR 0x3c
+/* Data in byte 2 */
+#define AMCC_OP_REG_MCSR_NVDATA (AMCC_OP_REG_MCSR + 2)
+/* Command in byte 3 */
+#define AMCC_OP_REG_MCSR_NVCMD (AMCC_OP_REG_MCSR + 3)
+
+#define AMCC_FIFO_DEPTH_DWORD 8
+#define AMCC_FIFO_DEPTH_BYTES (8 * sizeof(u32))
+
+/*
+ * AMCC Operation Registers Size - PCI
+ */
+#define AMCC_OP_REG_SIZE 64 /* in bytes */
+
+/*
+ * AMCC Operation Register Offsets - Add-on
+ */
+#define AMCC_OP_REG_AIMB1 0x00
+#define AMCC_OP_REG_AIMB2 0x04
+#define AMCC_OP_REG_AIMB3 0x08
+#define AMCC_OP_REG_AIMB4 0x0c
+#define AMCC_OP_REG_AOMB1 0x10
+#define AMCC_OP_REG_AOMB2 0x14
+#define AMCC_OP_REG_AOMB3 0x18
+#define AMCC_OP_REG_AOMB4 0x1c
+#define AMCC_OP_REG_AFIFO 0x20
+#define AMCC_OP_REG_AMWAR 0x24
+#define AMCC_OP_REG_APTA 0x28
+#define AMCC_OP_REG_APTD 0x2c
+#define AMCC_OP_REG_AMRAR 0x30
+#define AMCC_OP_REG_AMBEF 0x34
+#define AMCC_OP_REG_AINT 0x38
+#define AMCC_OP_REG_AGCSTS 0x3c
+#define AMCC_OP_REG_AMWTC 0x58
+#define AMCC_OP_REG_AMRTC 0x5c
+
+/*
+ * AMCC - Add-on General Control/Status Register
+ */
+#define AGCSTS_CONTROL_MASK 0xfffff000
+#define AGCSTS_NV_ACC_MASK 0xe0000000
+#define AGCSTS_RESET_MASK 0x0e000000
+#define AGCSTS_NV_DA_MASK 0x00ff0000
+#define AGCSTS_BIST_MASK 0x0000f000
+#define AGCSTS_STATUS_MASK 0x000000ff
+#define AGCSTS_TCZERO_MASK 0x000000c0
+#define AGCSTS_FIFO_ST_MASK 0x0000003f
+
+#define AGCSTS_RESET_MBFLAGS 0x08000000
+#define AGCSTS_RESET_P2A_FIFO 0x04000000
+#define AGCSTS_RESET_A2P_FIFO 0x02000000
+#define AGCSTS_RESET_FIFOS (AGCSTS_RESET_A2P_FIFO | AGCSTS_RESET_P2A_FIFO)
+
+#define AGCSTS_A2P_TCOUNT 0x00000080
+#define AGCSTS_P2A_TCOUNT 0x00000040
+
+#define AGCSTS_FS_P2A_EMPTY 0x00000020
+#define AGCSTS_FS_P2A_HALF 0x00000010
+#define AGCSTS_FS_P2A_FULL 0x00000008
+
+#define AGCSTS_FS_A2P_EMPTY 0x00000004
+#define AGCSTS_FS_A2P_HALF 0x00000002
+#define AGCSTS_FS_A2P_FULL 0x00000001
+
+/*
+ * AMCC - Add-on Interrupt Control/Status Register
+ */
+#define AINT_INT_MASK 0x00ff0000
+#define AINT_SEL_MASK 0x0000ffff
+#define AINT_IS_ENSEL_MASK 0x00001f1f
+
+#define AINT_INT_ASSERTED 0x00800000
+#define AINT_BM_ERROR 0x00200000
+#define AINT_BIST_INT 0x00100000
+
+#define AINT_RT_COMPLETE 0x00080000
+#define AINT_WT_COMPLETE 0x00040000
+
+#define AINT_OUT_MB_INT 0x00020000
+#define AINT_IN_MB_INT 0x00010000
+
+#define AINT_READ_COMPL 0x00008000
+#define AINT_WRITE_COMPL 0x00004000
+
+#define AINT_OMB_ENABLE 0x00001000
+#define AINT_OMB_SELECT 0x00000c00
+#define AINT_OMB_BYTE 0x00000300
+
+#define AINT_IMB_ENABLE 0x00000010
+#define AINT_IMB_SELECT 0x0000000c
+#define AINT_IMB_BYTE 0x00000003
+
+/* Enable Bus Mastering */
+#define EN_A2P_TRANSFERS 0x00000400
+/* FIFO Flag Reset */
+#define RESET_A2P_FLAGS 0x04000000L
+/* FIFO Relative Priority */
+#define A2P_HI_PRIORITY 0x00000100L
+/* Identify Interrupt Sources */
+#define ANY_S593X_INT 0x00800000L
+#define READ_TC_INT 0x00080000L
+#define WRITE_TC_INT 0x00040000L
+#define IN_MB_INT 0x00020000L
+#define MASTER_ABORT_INT 0x00100000L
+#define TARGET_ABORT_INT 0x00200000L
+#define BUS_MASTER_INT 0x00200000L
+
+/****************************************************************************/
+
+struct pcilst_struct {
+ struct pcilst_struct *next;
+ int used;
+ struct pci_dev *pcidev;
+ unsigned short vendor;
+ unsigned short device;
+ unsigned char pci_bus;
+ unsigned char pci_slot;
+ unsigned char pci_func;
+ resource_size_t io_addr[5];
+ unsigned int irq;
+};
+
+/* ptr to root list of all amcc devices */
+struct pcilst_struct *amcc_devices;
+
+static const int i_ADDIDATADeviceID[] = { 0x15B8, 0x10E8 };
+
+/****************************************************************************/
+
+void v_pci_card_list_init(unsigned short pci_vendor, char display);
+void v_pci_card_list_cleanup(unsigned short pci_vendor);
+struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
+ unsigned short
+ device_id);
+int i_find_free_pci_card_by_position(unsigned short vendor_id,
+ unsigned short device_id,
+ unsigned short pci_bus,
+ unsigned short pci_slot,
+ struct pcilst_struct **card);
+struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
+ unsigned short device_id,
+ unsigned short pci_bus,
+ unsigned short pci_slot,
+ int i_Master);
+
+int pci_card_alloc(struct pcilst_struct *amcc, int master);
+int i_pci_card_free(struct pcilst_struct *amcc);
+void v_pci_card_list_display(void);
+int i_pci_card_data(struct pcilst_struct *amcc,
+ unsigned char *pci_bus, unsigned char *pci_slot,
+ unsigned char *pci_func, resource_size_t * io_addr,
+ unsigned int *irq);
+
+/****************************************************************************/
+
+/* build list of amcc cards in this system */
+void v_pci_card_list_init(unsigned short pci_vendor, char display)
+{
+ struct pci_dev *pcidev;
+ struct pcilst_struct *amcc, *last;
+ int i;
+ int i_Count = 0;
+ amcc_devices = NULL;
+ last = NULL;
+
+ for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
+ pcidev != NULL;
+ pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
+ for (i_Count = 0; i_Count < 2; i_Count++) {
+ pci_vendor = i_ADDIDATADeviceID[i_Count];
+ if (pcidev->vendor == pci_vendor) {
+ amcc = kmalloc(sizeof(*amcc), GFP_KERNEL);
+ memset(amcc, 0, sizeof(*amcc));
+
+ amcc->pcidev = pcidev;
+ if (last)
+ last->next = amcc;
+ else
+ amcc_devices = amcc;
+ last = amcc;
+
+ amcc->vendor = pcidev->vendor;
+ amcc->device = pcidev->device;
+ amcc->pci_bus = pcidev->bus->number;
+ amcc->pci_slot = PCI_SLOT(pcidev->devfn);
+ amcc->pci_func = PCI_FUNC(pcidev->devfn);
+ /* Note: resources may be invalid if PCI device
+ * not enabled, but they are corrected in
+ * pci_card_alloc. */
+ for (i = 0; i < 5; i++)
+ amcc->io_addr[i] =
+ pci_resource_start(pcidev, i);
+ amcc->irq = pcidev->irq;
+
+ }
+ }
+ }
+
+ if (display)
+ v_pci_card_list_display();
+}
+
+/****************************************************************************/
+/* free up list of amcc cards in this system */
+void v_pci_card_list_cleanup(unsigned short pci_vendor)
+{
+ struct pcilst_struct *amcc, *next;
+
+ for (amcc = amcc_devices; amcc; amcc = next) {
+ next = amcc->next;
+ kfree(amcc);
+ }
+
+ amcc_devices = NULL;
+}
+
+/****************************************************************************/
+/* find first unused card with this device_id */
+struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
+ unsigned short device_id)
+{
+ struct pcilst_struct *amcc, *next;
+
+ for (amcc = amcc_devices; amcc; amcc = next) {
+ next = amcc->next;
+ if ((!amcc->used) && (amcc->device == device_id)
+ && (amcc->vendor == vendor_id))
+ return amcc;
+
+ }
+
+ return NULL;
+}
+
+/****************************************************************************/
+/* find card on requested position */
+int i_find_free_pci_card_by_position(unsigned short vendor_id,
+ unsigned short device_id,
+ unsigned short pci_bus,
+ unsigned short pci_slot,
+ struct pcilst_struct **card)
+{
+ struct pcilst_struct *amcc, *next;
+
+ *card = NULL;
+ for (amcc = amcc_devices; amcc; amcc = next) {
+ next = amcc->next;
+ if ((amcc->vendor == vendor_id) && (amcc->device == device_id)
+ && (amcc->pci_bus == pci_bus)
+ && (amcc->pci_slot == pci_slot)) {
+ if (!(amcc->used)) {
+ *card = amcc;
+ return 0; /* ok, card is found */
+ } else {
+ rt_printk(" - \nCard on requested position is used b:s %d:%d!\n",
+ pci_bus, pci_slot);
+ return 2; /* card exist but is used */
+ }
+ }
+ }
+
+ /* no card found */
+ return 1;
+}
+
+/****************************************************************************/
+/* mark card as used */
+int pci_card_alloc(struct pcilst_struct *amcc, int master)
+{
+ int i;
+
+ if (!amcc)
+ return -1;
+
+ if (amcc->used)
+ return 1;
+ if (comedi_pci_enable(amcc->pcidev, "addi_amcc_s5933"))
+ return -1;
+ /* Resources will be accurate now. */
+ for (i = 0; i < 5; i++)
+ amcc->io_addr[i] = pci_resource_start(amcc->pcidev, i);
+ if (master)
+ pci_set_master(amcc->pcidev);
+ amcc->used = 1;
+
+ return 0;
+}
+
+/****************************************************************************/
+/* mark card as free */
+int i_pci_card_free(struct pcilst_struct *amcc)
+{
+ if (!amcc)
+ return -1;
+
+ if (!amcc->used)
+ return 1;
+ amcc->used = 0;
+ comedi_pci_disable(amcc->pcidev);
+ return 0;
+}
+
+/****************************************************************************/
+/* display list of found cards */
+void v_pci_card_list_display(void)
+{
+ struct pcilst_struct *amcc, *next;
+
+ printk(KERN_DEBUG "List of pci cards\n");
+ printk(KERN_DEBUG "bus:slot:func vendor device io_amcc io_daq irq used\n");
+
+ for (amcc = amcc_devices; amcc; amcc = next) {
+ next = amcc->next;
+ printk
+ ("%2d %2d %2d 0x%4x 0x%4x 0x%8llx 0x%8llx %2u %2d\n",
+ amcc->pci_bus, amcc->pci_slot, amcc->pci_func,
+ amcc->vendor, amcc->device,
+ (unsigned long long)amcc->io_addr[0],
+ (unsigned long long)amcc->io_addr[2], amcc->irq,
+ amcc->used);
+
+ }
+}
+
+/****************************************************************************/
+/* return all card information for driver */
+int i_pci_card_data(struct pcilst_struct *amcc,
+ unsigned char *pci_bus, unsigned char *pci_slot,
+ unsigned char *pci_func, resource_size_t * io_addr,
+ unsigned int *irq)
+{
+ int i;
+
+ if (!amcc)
+ return -1;
+ *pci_bus = amcc->pci_bus;
+ *pci_slot = amcc->pci_slot;
+ *pci_func = amcc->pci_func;
+ for (i = 0; i < 5; i++)
+ io_addr[i] = amcc->io_addr[i];
+ *irq = amcc->irq;
+ return 0;
+}
+
+/****************************************************************************/
+/* select and alloc card */
+struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
+ unsigned short device_id,
+ unsigned short pci_bus,
+ unsigned short pci_slot,
+ int i_Master)
+{
+ struct pcilst_struct *card;
+
+ if ((pci_bus < 1) & (pci_slot < 1)) {
+ /* use autodetection */
+ card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
+ if (card == NULL) {
+ rt_printk(" - Unused card not found in system!\n");
+ return NULL;
+ }
+ } else {
+ switch (i_find_free_pci_card_by_position(vendor_id, device_id,
+ pci_bus, pci_slot,
+ &card)) {
+ case 1:
+ rt_printk(" - Card not found on requested position b:s %d:%d!\n",
+ pci_bus, pci_slot);
+ return NULL;
+ case 2:
+ rt_printk(" - Card on requested position is used b:s %d:%d!\n",
+ pci_bus, pci_slot);
+ return NULL;
+ }
+ }
+
+ if (pci_card_alloc(card, i_Master) != 0) {
+ rt_printk(" - Can't allocate card!\n");
+ return NULL;
+
+ }
+
+ return card;
+}
+#endif
projects / linux-2.6-omap-h63xx.git / blobdiff