diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/parport_pc.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/parport_pc.h | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/ANDROID_3.4.5/include/linux/parport_pc.h b/ANDROID_3.4.5/include/linux/parport_pc.h deleted file mode 100644 index cc1767f5..00000000 --- a/ANDROID_3.4.5/include/linux/parport_pc.h +++ /dev/null @@ -1,238 +0,0 @@ -#ifndef __LINUX_PARPORT_PC_H -#define __LINUX_PARPORT_PC_H - -#include <asm/io.h> - -/* --- register definitions ------------------------------- */ - -#define ECONTROL(p) ((p)->base_hi + 0x2) -#define CONFIGB(p) ((p)->base_hi + 0x1) -#define CONFIGA(p) ((p)->base_hi + 0x0) -#define FIFO(p) ((p)->base_hi + 0x0) -#define EPPDATA(p) ((p)->base + 0x4) -#define EPPADDR(p) ((p)->base + 0x3) -#define CONTROL(p) ((p)->base + 0x2) -#define STATUS(p) ((p)->base + 0x1) -#define DATA(p) ((p)->base + 0x0) - -struct parport_pc_private { - /* Contents of CTR. */ - unsigned char ctr; - - /* Bitmask of writable CTR bits. */ - unsigned char ctr_writable; - - /* Whether or not there's an ECR. */ - int ecr; - - /* Number of PWords that FIFO will hold. */ - int fifo_depth; - - /* Number of bytes per portword. */ - int pword; - - /* Not used yet. */ - int readIntrThreshold; - int writeIntrThreshold; - - /* buffer suitable for DMA, if DMA enabled */ - char *dma_buf; - dma_addr_t dma_handle; - struct list_head list; - struct parport *port; -}; - -struct parport_pc_via_data -{ - /* ISA PnP IRQ routing register 1 */ - u8 via_pci_parport_irq_reg; - /* ISA PnP DMA request routing register */ - u8 via_pci_parport_dma_reg; - /* Register and value to enable SuperIO configuration access */ - u8 via_pci_superio_config_reg; - u8 via_pci_superio_config_data; - /* SuperIO function register number */ - u8 viacfg_function; - /* parallel port control register number */ - u8 viacfg_parport_control; - /* Parallel port base address register */ - u8 viacfg_parport_base; -}; - -static __inline__ void parport_pc_write_data(struct parport *p, unsigned char d) -{ -#ifdef DEBUG_PARPORT - printk (KERN_DEBUG "parport_pc_write_data(%p,0x%02x)\n", p, d); -#endif - outb(d, DATA(p)); -} - -static __inline__ unsigned char parport_pc_read_data(struct parport *p) -{ - unsigned char val = inb (DATA (p)); -#ifdef DEBUG_PARPORT - printk (KERN_DEBUG "parport_pc_read_data(%p) = 0x%02x\n", - p, val); -#endif - return val; -} - -#ifdef DEBUG_PARPORT -static inline void dump_parport_state (char *str, struct parport *p) -{ - /* here's hoping that reading these ports won't side-effect anything underneath */ - unsigned char ecr = inb (ECONTROL (p)); - unsigned char dcr = inb (CONTROL (p)); - unsigned char dsr = inb (STATUS (p)); - static const char *const ecr_modes[] = {"SPP", "PS2", "PPFIFO", "ECP", "xXx", "yYy", "TST", "CFG"}; - const struct parport_pc_private *priv = p->physport->private_data; - int i; - - printk (KERN_DEBUG "*** parport state (%s): ecr=[%s", str, ecr_modes[(ecr & 0xe0) >> 5]); - if (ecr & 0x10) printk (",nErrIntrEn"); - if (ecr & 0x08) printk (",dmaEn"); - if (ecr & 0x04) printk (",serviceIntr"); - if (ecr & 0x02) printk (",f_full"); - if (ecr & 0x01) printk (",f_empty"); - for (i=0; i<2; i++) { - printk ("] dcr(%s)=[", i ? "soft" : "hard"); - dcr = i ? priv->ctr : inb (CONTROL (p)); - - if (dcr & 0x20) { - printk ("rev"); - } else { - printk ("fwd"); - } - if (dcr & 0x10) printk (",ackIntEn"); - if (!(dcr & 0x08)) printk (",N-SELECT-IN"); - if (dcr & 0x04) printk (",N-INIT"); - if (!(dcr & 0x02)) printk (",N-AUTOFD"); - if (!(dcr & 0x01)) printk (",N-STROBE"); - } - printk ("] dsr=["); - if (!(dsr & 0x80)) printk ("BUSY"); - if (dsr & 0x40) printk (",N-ACK"); - if (dsr & 0x20) printk (",PERROR"); - if (dsr & 0x10) printk (",SELECT"); - if (dsr & 0x08) printk (",N-FAULT"); - printk ("]\n"); - return; -} -#else /* !DEBUG_PARPORT */ -#define dump_parport_state(args...) -#endif /* !DEBUG_PARPORT */ - -/* __parport_pc_frob_control differs from parport_pc_frob_control in that - * it doesn't do any extra masking. */ -static __inline__ unsigned char __parport_pc_frob_control (struct parport *p, - unsigned char mask, - unsigned char val) -{ - struct parport_pc_private *priv = p->physport->private_data; - unsigned char ctr = priv->ctr; -#ifdef DEBUG_PARPORT - printk (KERN_DEBUG - "__parport_pc_frob_control(%02x,%02x): %02x -> %02x\n", - mask, val, ctr, ((ctr & ~mask) ^ val) & priv->ctr_writable); -#endif - ctr = (ctr & ~mask) ^ val; - ctr &= priv->ctr_writable; /* only write writable bits. */ - outb (ctr, CONTROL (p)); - priv->ctr = ctr; /* Update soft copy */ - return ctr; -} - -static __inline__ void parport_pc_data_reverse (struct parport *p) -{ - __parport_pc_frob_control (p, 0x20, 0x20); -} - -static __inline__ void parport_pc_data_forward (struct parport *p) -{ - __parport_pc_frob_control (p, 0x20, 0x00); -} - -static __inline__ void parport_pc_write_control (struct parport *p, - unsigned char d) -{ - const unsigned char wm = (PARPORT_CONTROL_STROBE | - PARPORT_CONTROL_AUTOFD | - PARPORT_CONTROL_INIT | - PARPORT_CONTROL_SELECT); - - /* Take this out when drivers have adapted to newer interface. */ - if (d & 0x20) { - printk (KERN_DEBUG "%s (%s): use data_reverse for this!\n", - p->name, p->cad->name); - parport_pc_data_reverse (p); - } - - __parport_pc_frob_control (p, wm, d & wm); -} - -static __inline__ unsigned char parport_pc_read_control(struct parport *p) -{ - const unsigned char rm = (PARPORT_CONTROL_STROBE | - PARPORT_CONTROL_AUTOFD | - PARPORT_CONTROL_INIT | - PARPORT_CONTROL_SELECT); - const struct parport_pc_private *priv = p->physport->private_data; - return priv->ctr & rm; /* Use soft copy */ -} - -static __inline__ unsigned char parport_pc_frob_control (struct parport *p, - unsigned char mask, - unsigned char val) -{ - const unsigned char wm = (PARPORT_CONTROL_STROBE | - PARPORT_CONTROL_AUTOFD | - PARPORT_CONTROL_INIT | - PARPORT_CONTROL_SELECT); - - /* Take this out when drivers have adapted to newer interface. */ - if (mask & 0x20) { - printk (KERN_DEBUG "%s (%s): use data_%s for this!\n", - p->name, p->cad->name, - (val & 0x20) ? "reverse" : "forward"); - if (val & 0x20) - parport_pc_data_reverse (p); - else - parport_pc_data_forward (p); - } - - /* Restrict mask and val to control lines. */ - mask &= wm; - val &= wm; - - return __parport_pc_frob_control (p, mask, val); -} - -static __inline__ unsigned char parport_pc_read_status(struct parport *p) -{ - return inb(STATUS(p)); -} - - -static __inline__ void parport_pc_disable_irq(struct parport *p) -{ - __parport_pc_frob_control (p, 0x10, 0x00); -} - -static __inline__ void parport_pc_enable_irq(struct parport *p) -{ - __parport_pc_frob_control (p, 0x10, 0x10); -} - -extern void parport_pc_release_resources(struct parport *p); - -extern int parport_pc_claim_resources(struct parport *p); - -/* PCMCIA code will want to get us to look at a port. Provide a mechanism. */ -extern struct parport *parport_pc_probe_port(unsigned long base, - unsigned long base_hi, - int irq, int dma, - struct device *dev, - int irqflags); -extern void parport_pc_unregister_port(struct parport *p); - -#endif |