Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b02fcae0 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

amd74xx: remove /proc/ide/amd74xx 



This belongs to user-space (and only if really needed).

   text    data     bss     dec     hex filename
   6723    2000      28    8751    222f drivers/ide/pci/amd74xx.o.before
   3833    2000      16    5849    16d9 drivers/ide/pci/amd74xx.o.after

Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 8fcb2ea8

drivers/ide/pci/amd74xx.c

+1 −129
Original line number Diff line number Diff line 
/*

 * Version 2.23

 * Version 2.24

 *

 * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04

 * IDE driver for Linux.
@@ -28,9 +28,6 @@ 


#include "ide-timing.h"



#define DISPLAY_AMD_TIMINGS



#define AMD_IDE_ENABLE		(0x00 + amd_config->base)

#define AMD_IDE_CONFIG		(0x01 + amd_config->base)

#define AMD_CABLE_DETECT	(0x02 + amd_config->base)

#define AMD_DRIVE_TIMING	(0x08 + amd_config->base)
@@ -87,118 +84,6 @@ static unsigned int amd_clock; 
static char *amd_dma[] = { "16", "25", "33", "44", "66", "100", "133" };

static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 };



/*

 * AMD /proc entry.

 */



#ifdef CONFIG_IDE_PROC_FS



#include <linux/stat.h>

#include <linux/proc_fs.h>



static u8 amd74xx_proc;



static unsigned char amd_udma2cyc[] = { 4, 6, 8, 10, 3, 2, 1, 15 };

static unsigned long amd_base;

static struct pci_dev *bmide_dev;

extern int (*amd74xx_display_info)(char *, char **, off_t, int); /* ide-proc.c */



#define amd_print(format, arg...) p += sprintf(p, format "\n" , ## arg)

#define amd_print_drive(name, format, arg...)\

	p += sprintf(p, name); for (i = 0; i < 4; i++) p += sprintf(p, format, ## arg); p += sprintf(p, "\n");



static int amd74xx_get_info(char *buffer, char **addr, off_t offset, int count)

{

	int speed[4], cycle[4], setup[4], active[4], recover[4], den[4],

		 uen[4], udma[4], active8b[4], recover8b[4];

	struct pci_dev *dev = bmide_dev;

	unsigned int v, u, i;

	unsigned short c, w;

	unsigned char t;

	int len;

	char *p = buffer;



	amd_print("----------AMD BusMastering IDE Configuration----------------");



	amd_print("Driver Version:                     2.13");

	amd_print("South Bridge:                       %s", pci_name(bmide_dev));



	amd_print("Revision:                           IDE %#x", dev->revision);

	amd_print("Highest DMA rate:                   UDMA%s", amd_dma[fls(amd_config->udma_mask) - 1]);



	amd_print("BM-DMA base:                        %#lx", amd_base);

	amd_print("PCI clock:                          %d.%dMHz", amd_clock / 1000, amd_clock / 100 % 10);

	

	amd_print("-----------------------Primary IDE-------Secondary IDE------");



	pci_read_config_byte(dev, AMD_IDE_CONFIG, &t);

	amd_print("Prefetch Buffer:       %10s%20s", (t & 0x80) ? "yes" : "no", (t & 0x20) ? "yes" : "no");

	amd_print("Post Write Buffer:     %10s%20s", (t & 0x40) ? "yes" : "no", (t & 0x10) ? "yes" : "no");



	pci_read_config_byte(dev, AMD_IDE_ENABLE, &t);

	amd_print("Enabled:               %10s%20s", (t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no");



	c = inb(amd_base + 0x02) | (inb(amd_base + 0x0a) << 8);

	amd_print("Simplex only:          %10s%20s", (c & 0x80) ? "yes" : "no", (c & 0x8000) ? "yes" : "no");



	amd_print("Cable Type:            %10s%20s", (amd_80w & 1) ? "80w" : "40w", (amd_80w & 2) ? "80w" : "40w");



	if (!amd_clock)

                return p - buffer;



	amd_print("-------------------drive0----drive1----drive2----drive3-----");



	pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t);

	pci_read_config_dword(dev, AMD_DRIVE_TIMING, &v);

	pci_read_config_word(dev, AMD_8BIT_TIMING, &w);

	pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);



	for (i = 0; i < 4; i++) {

		setup[i]     = ((t >> ((3 - i) << 1)) & 0x3) + 1;

		recover8b[i] = ((w >> ((1 - (i >> 1)) << 3)) & 0xf) + 1;

		active8b[i]  = ((w >> (((1 - (i >> 1)) << 3) + 4)) & 0xf) + 1;

		active[i]    = ((v >> (((3 - i) << 3) + 4)) & 0xf) + 1;

		recover[i]   = ((v >> ((3 - i) << 3)) & 0xf) + 1;



		udma[i] = amd_udma2cyc[((u >> ((3 - i) << 3)) & 0x7)];

		uen[i]  = ((u >> ((3 - i) << 3)) & 0x40) ? 1 : 0;

		den[i]  = (c & ((i & 1) ? 0x40 : 0x20) << ((i & 2) << 2));



		if (den[i] && uen[i] && udma[i] == 1) {

			speed[i] = amd_clock * 3;

			cycle[i] = 666666 / amd_clock;

			continue;

		}



		if (den[i] && uen[i] && udma[i] == 15) {

			speed[i] = amd_clock * 4;

			cycle[i] = 500000 / amd_clock;

			continue;

		}



		speed[i] = 4 * amd_clock / ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2);

		cycle[i] = 1000000 * ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2) / amd_clock / 2;

	}



	amd_print_drive("Transfer Mode: ", "%10s", den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO");



	amd_print_drive("Address Setup: ", "%8dns", 1000000 * setup[i] / amd_clock);

	amd_print_drive("Cmd Active:    ", "%8dns", 1000000 * active8b[i] / amd_clock);

	amd_print_drive("Cmd Recovery:  ", "%8dns", 1000000 * recover8b[i] / amd_clock);

	amd_print_drive("Data Active:   ", "%8dns", 1000000 * active[i] / amd_clock);

	amd_print_drive("Data Recovery: ", "%8dns", 1000000 * recover[i] / amd_clock);

	amd_print_drive("Cycle Time:    ", "%8dns", cycle[i]);

	amd_print_drive("Transfer Rate: ", "%4d.%dMB/s", speed[i] / 1000, speed[i] / 100 % 10);



	/* hoping p - buffer is less than 4K... */

	len = (p - buffer) - offset;

	*addr = buffer + offset;

	

	return len > count ? count : len;

}



#endif



/*

 * amd_set_speed() writes timing values to the chipset registers

 */
@@ -353,19 +238,6 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch 
		amd_chipset->name, pci_name(dev), dev->revision,

		amd_dma[fls(amd_config->udma_mask) - 1]);



/*

 * Register /proc/ide/amd74xx entry

 */



#if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_IDE_PROC_FS)

        if (!amd74xx_proc) {

                amd_base = pci_resource_start(dev, 4);

                bmide_dev = dev;

		ide_pci_create_host_proc("amd74xx", amd74xx_get_info);

                amd74xx_proc = 1;

        }

#endif /* DISPLAY_AMD_TIMINGS && CONFIG_IDE_PROC_FS */



	return dev->irq;

}