diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h b/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h new file mode 100644 index 000000000000..617dc087dcbf --- /dev/null +++ b/drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h @@ -0,0 +1,457 @@ +/* + Modified by umesh on 16th may 2001 + Modified by sarath on 22nd may 2001 +*/ + +/* + comedi/drivers/amcc_s5933_v_58.h + + Stuff for AMCC S5933 PCI Controller + + Author: Michal Dobes <majkl@tesnet.cz> + + Inspirated from general-purpose AMCC S5933 PCI Matchmaker driver + made by Andrea Cisternino <acister@pcape1.pi.infn.it> + and as result of espionage from MITE code made by David A. Schleef. + Thanks to AMCC for their on-line documentation and bus master DMA + example. +*/ + +#ifndef _AMCC_S5933_H_ +#define _AMCC_S5933_H_ + +#include <linux/pci.h> +#include "../../comedidev.h" + +#ifdef PCI_SUPPORT_VER1 +#error Sorry, no support for 2.1.55 and older! :-(((( +#endif + +/***********Added by sarath for compatibility with APCI3120 + +*************************/ + +#define FIFO_ADVANCE_ON_BYTE_2 0x20000000 // written on base0 + +#define AMWEN_ENABLE 0x02 // added for step 6 dma written on base2 +#define A2P_FIFO_WRITE_ENABLE 0x01 + +#define AGCSTS_TC_ENABLE 0x10000000 // Added for transfer count enable bit + +// 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 + +/*******from here all upward definitions are added by sarath */ + +/****************************************************************************/ +/* 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 +#define AMCC_OP_REG_INTCSR_SRC (AMCC_OP_REG_INTCSR + 2) /* INT source */ +#define AMCC_OP_REG_INTCSR_FEC (AMCC_OP_REG_INTCSR + 3) /* FIFO ctrl */ +#define AMCC_OP_REG_MCSR 0x3c +#define AMCC_OP_REG_MCSR_NVDATA (AMCC_OP_REG_MCSR + 2) /* Data in byte 2 */ +#define AMCC_OP_REG_MCSR_NVCMD (AMCC_OP_REG_MCSR + 3) /* Command in byte 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 int master; + unsigned char pci_bus; + unsigned char pci_slot; + unsigned char pci_func; + unsigned int io_addr[5]; + unsigned int irq; +}; + +struct pcilst_struct *amcc_devices; // ptr to root list of all amcc devices + +/****************************************************************************/ + +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_pci_card_alloc(struct pcilst_struct *amcc); +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, unsigned short *io_addr, + unsigned short *irq, unsigned short *master); + +/****************************************************************************/ + +/* 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; + + amcc_devices = NULL; + last = NULL; + + pci_for_each_dev(pcidev) { + 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; +#if 0 + amcc->master = pcidev->master; // how get this information under 2.4 kernels? +#endif + amcc->pci_bus = pcidev->bus->number; + amcc->pci_slot = PCI_SLOT(pcidev->devfn); + amcc->pci_func = PCI_FUNC(pcidev->devfn); + for (i = 0; i < 5; i++) + amcc->io_addr[i] = + pcidev->resource[i].start & ~3UL; + 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 + } + } + } + + return 1; // no card found +} + +/****************************************************************************/ +/* mark card as used */ +int i_pci_card_alloc(struct pcilst_struct *amcc) +{ + if (!amcc) + return -1; + + if (amcc->used) + return 1; + 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; + return 0; +} + +/****************************************************************************/ +/* display list of found cards */ +void v_pci_card_list_display(void) +{ + struct pcilst_struct *amcc, *next; + + printk("List of pci cards\n"); + printk("bus:slot:func vendor device master 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 %3s 0x%4x 0x%4x %2d %2d\n", + amcc->pci_bus, amcc->pci_slot, amcc->pci_func, + amcc->vendor, amcc->device, amcc->master ? "yes" : "no", + amcc->io_addr[0], 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, unsigned short *io_addr, + unsigned short *irq, unsigned short *master) +{ + 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; + *master = amcc->master; + 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) +{ + struct pcilst_struct *card; + + if ((pci_bus < 1) & (pci_slot < 1)) { // use autodetection + if ((card = ptr_find_free_pci_card_by_device(vendor_id, + device_id)) == + 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 (i_pci_card_alloc(card) != 0) { + rt_printk(" - Can't allocate card!\n"); + return NULL; + } + + return card; +} + +#endif |