/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
https://bitbucket.org/slukk/jb-tsm-kernel-4.2 · C Header · 475 lines · 329 code · 70 blank · 76 comment · 44 complexity · 4852ce66d7ecdf193f3e9b760311dace MD5 · raw file
- /*
- * 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 */
- static 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 = NULL;
- struct pcilst_struct *amcc, *last;
- int i;
- int i_Count = 0;
- amcc_devices = NULL;
- last = NULL;
- for_each_pci_dev(pcidev) {
- for (i_Count = 0; i_Count < 2; i_Count++) {
- pci_vendor = i_ADDIDATADeviceID[i_Count];
- if (pcidev->vendor == pci_vendor) {
- amcc = kzalloc(sizeof(*amcc), GFP_KERNEL);
- if (amcc == NULL)
- continue;
- 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 {
- 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) {
- 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:
- printk(" - Card not found on requested position b:s %d:%d!\n",
- pci_bus, pci_slot);
- return NULL;
- case 2:
- 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) {
- printk(" - Can't allocate card!\n");
- return NULL;
- }
- return card;
- }
- #endif