diff options
Diffstat (limited to 'include/asm-sparc64/parport.h')
| -rw-r--r-- | include/asm-sparc64/parport.h | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h deleted file mode 100644 index 56b5197d789..00000000000 --- a/include/asm-sparc64/parport.h +++ /dev/null @@ -1,181 +0,0 @@ -/* $Id: parport.h,v 1.11 2001/05/11 07:54:24 davem Exp $ - * parport.h: sparc64 specific parport initialization and dma. - * - * Copyright (C) 1999 Eddie C. Dost (ecd@skynet.be) - */ - -#ifndef _ASM_SPARC64_PARPORT_H -#define _ASM_SPARC64_PARPORT_H 1 - -#include <asm/ebus.h> -#include <asm/isa.h> -#include <asm/ns87303.h> - -#define PARPORT_PC_MAX_PORTS PARPORT_MAX - -/* - * While sparc64 doesn't have an ISA DMA API, we provide something that looks - * close enough to make parport_pc happy - */ -#define HAS_DMA - -static struct sparc_ebus_info { - struct ebus_dma_info info; - unsigned int addr; - unsigned int count; -} sparc_ebus_dmas[PARPORT_PC_MAX_PORTS]; - -static __inline__ void enable_dma(unsigned int dmanr) -{ - ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1); - - if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info, - sparc_ebus_dmas[dmanr].addr, - sparc_ebus_dmas[dmanr].count)) - BUG(); -} - -static __inline__ void disable_dma(unsigned int dmanr) -{ - ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 0); -} - -static __inline__ void clear_dma_ff(unsigned int dmanr) -{ - /* nothing */ -} - -static __inline__ void set_dma_mode(unsigned int dmanr, char mode) -{ - ebus_dma_prepare(&sparc_ebus_dmas[dmanr].info, (mode != DMA_MODE_WRITE)); -} - -static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int addr) -{ - sparc_ebus_dmas[dmanr].addr = addr; -} - -static __inline__ void set_dma_count(unsigned int dmanr, unsigned int count) -{ - sparc_ebus_dmas[dmanr].count = count; -} - -static __inline__ unsigned int get_dma_residue(unsigned int dmanr) -{ - return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); -} - -static int ebus_ecpp_p(struct linux_ebus_device *edev) -{ - if (!strcmp(edev->prom_name, "ecpp")) - return 1; - if (!strcmp(edev->prom_name, "parallel")) { - char compat[19]; - prom_getstring(edev->prom_node, - "compatible", - compat, sizeof(compat)); - compat[18] = '\0'; - if (!strcmp(compat, "ecpp")) - return 1; - if (!strcmp(compat, "ns87317-ecpp") && - !strcmp(compat + 13, "ecpp")) - return 1; - } - return 0; -} - -static int parport_isa_probe(int count) -{ - struct sparc_isa_bridge *isa_br; - struct sparc_isa_device *isa_dev; - - for_each_isa(isa_br) { - for_each_isadev(isa_dev, isa_br) { - struct sparc_isa_device *child; - unsigned long base; - - if (strcmp(isa_dev->prom_name, "dma")) - continue; - - child = isa_dev->child; - while (child) { - if (!strcmp(child->prom_name, "parallel")) - break; - child = child->next; - } - if (!child) - continue; - - base = child->resource.start; - - /* No DMA, see commentary in - * asm-sparc64/floppy.h:isa_floppy_init() - */ - if (parport_pc_probe_port(base, base + 0x400, - child->irq, PARPORT_DMA_NOFIFO, - child->bus->self)) - count++; - } - } - - return count; -} - -static int parport_pc_find_nonpci_ports (int autoirq, int autodma) -{ - struct linux_ebus *ebus; - struct linux_ebus_device *edev; - int count = 0; - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (ebus_ecpp_p(edev)) { - unsigned long base = edev->resource[0].start; - unsigned long config = edev->resource[1].start; - unsigned long d_base = edev->resource[2].start; - unsigned long d_len; - - spin_lock_init(&sparc_ebus_dmas[count].info.lock); - d_len = (edev->resource[2].end - - d_base) + 1; - sparc_ebus_dmas[count].info.regs = - ioremap(d_base, d_len); - if (!sparc_ebus_dmas[count].info.regs) - continue; - sparc_ebus_dmas[count].info.flags = 0; - sparc_ebus_dmas[count].info.callback = NULL; - sparc_ebus_dmas[count].info.client_cookie = NULL; - sparc_ebus_dmas[count].info.irq = 0xdeadbeef; - strcpy(sparc_ebus_dmas[count].info.name, "parport"); - if (ebus_dma_register(&sparc_ebus_dmas[count].info)) - continue; - ebus_dma_irq_enable(&sparc_ebus_dmas[count].info, 1); - - /* Configure IRQ to Push Pull, Level Low */ - /* Enable ECP, set bit 2 of the CTR first */ - outb(0x04, base + 0x02); - ns87303_modify(config, PCR, - PCR_EPP_ENABLE | - PCR_IRQ_ODRAIN, - PCR_ECP_ENABLE | - PCR_ECP_CLK_ENA | - PCR_IRQ_POLAR); - - /* CTR bit 5 controls direction of port */ - ns87303_modify(config, PTR, - 0, PTR_LPT_REG_DIR); - - if (parport_pc_probe_port(base, base + 0x400, - edev->irqs[0], - count, ebus->self)) - count++; - } - } - } - - count = parport_isa_probe(count); - - return count; -} - -#endif /* !(_ASM_SPARC64_PARPORT_H */ |