/*
- * linux/drivers/ide/pci/alim15x3.c Version 0.29 Sep 16 2007
- *
* Copyright (C) 1998-2000 Michel Aubry, Maintainer
* Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
* Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/pci.h>
-#include <linux/delay.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/init.h>
#include <asm/io.h>
-#define DISPLAY_ALI_TIMINGS
-
/*
* ALi devices are not plug in. Otherwise these static values would
* need to go. They ought to go away anyway
static u8 chip_is_1543c_e;
static struct pci_dev *isa_dev;
-#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-
-static u8 ali_proc = 0;
-
-static struct pci_dev *bmide_dev;
-
-static char *fifo[4] = {
- "FIFO Off",
- "FIFO On ",
- "DMA mode",
- "PIO mode" };
-
-static char *udmaT[8] = {
- "1.5T",
- " 2T",
- "2.5T",
- " 3T",
- "3.5T",
- " 4T",
- " 6T",
- " 8T"
-};
-
-static char *channel_status[8] = {
- "OK ",
- "busy ",
- "DRQ ",
- "DRQ busy ",
- "error ",
- "error busy ",
- "error DRQ ",
- "error DRQ busy"
-};
-
-/**
- * ali_get_info - generate proc file for ALi IDE
- * @buffer: buffer to fill
- * @addr: address of user start in buffer
- * @offset: offset into 'file'
- * @count: buffer count
- *
- * Walks the Ali devices and outputs summary data on the tuning and
- * anything else that will help with debugging
- */
-
-static int ali_get_info (char *buffer, char **addr, off_t offset, int count)
-{
- unsigned long bibma;
- u8 reg53h, reg5xh, reg5yh, reg5xh1, reg5yh1, c0, c1, rev, tmp;
- char *q, *p = buffer;
-
- /* fetch rev. */
- pci_read_config_byte(bmide_dev, 0x08, &rev);
- if (rev >= 0xc1) /* M1543C or newer */
- udmaT[7] = " ???";
- else
- fifo[3] = " ??? ";
-
- /* first fetch bibma: */
-
- bibma = pci_resource_start(bmide_dev, 4);
-
- /*
- * at that point bibma+0x2 et bibma+0xa are byte
- * registers to investigate:
- */
- c0 = inb(bibma + 0x02);
- c1 = inb(bibma + 0x0a);
-
- p += sprintf(p,
- "\n Ali M15x3 Chipset.\n");
- p += sprintf(p,
- " ------------------\n");
- pci_read_config_byte(bmide_dev, 0x78, ®53h);
- p += sprintf(p, "PCI Clock: %d.\n", reg53h);
-
- pci_read_config_byte(bmide_dev, 0x53, ®53h);
- p += sprintf(p,
- "CD_ROM FIFO:%s, CD_ROM DMA:%s\n",
- (reg53h & 0x02) ? "Yes" : "No ",
- (reg53h & 0x01) ? "Yes" : "No " );
- pci_read_config_byte(bmide_dev, 0x74, ®53h);
- p += sprintf(p,
- "FIFO Status: contains %d Words, runs%s%s\n\n",
- (reg53h & 0x3f),
- (reg53h & 0x40) ? " OVERWR" : "",
- (reg53h & 0x80) ? " OVERRD." : "." );
-
- p += sprintf(p,
- "-------------------primary channel"
- "-------------------secondary channel"
- "---------\n\n");
-
- pci_read_config_byte(bmide_dev, 0x09, ®53h);
- p += sprintf(p,
- "channel status: %s"
- " %s\n",
- (reg53h & 0x20) ? "On " : "Off",
- (reg53h & 0x10) ? "On " : "Off" );
-
- p += sprintf(p,
- "both channels togth: %s"
- " %s\n",
- (c0&0x80) ? "No " : "Yes",
- (c1&0x80) ? "No " : "Yes" );
-
- pci_read_config_byte(bmide_dev, 0x76, ®53h);
- p += sprintf(p,
- "Channel state: %s %s\n",
- channel_status[reg53h & 0x07],
- channel_status[(reg53h & 0x70) >> 4] );
-
- pci_read_config_byte(bmide_dev, 0x58, ®5xh);
- pci_read_config_byte(bmide_dev, 0x5c, ®5yh);
- p += sprintf(p,
- "Add. Setup Timing: %dT"
- " %dT\n",
- (reg5xh & 0x07) ? (reg5xh & 0x07) : 8,
- (reg5yh & 0x07) ? (reg5yh & 0x07) : 8 );
-
- pci_read_config_byte(bmide_dev, 0x59, ®5xh);
- pci_read_config_byte(bmide_dev, 0x5d, ®5yh);
- p += sprintf(p,
- "Command Act. Count: %dT"
- " %dT\n"
- "Command Rec. Count: %dT"
- " %dT\n\n",
- (reg5xh & 0x70) ? ((reg5xh & 0x70) >> 4) : 8,
- (reg5yh & 0x70) ? ((reg5yh & 0x70) >> 4) : 8,
- (reg5xh & 0x0f) ? (reg5xh & 0x0f) : 16,
- (reg5yh & 0x0f) ? (reg5yh & 0x0f) : 16 );
-
- p += sprintf(p,
- "----------------drive0-----------drive1"
- "------------drive0-----------drive1------\n\n");
- p += sprintf(p,
- "DMA enabled: %s %s"
- " %s %s\n",
- (c0&0x20) ? "Yes" : "No ",
- (c0&0x40) ? "Yes" : "No ",
- (c1&0x20) ? "Yes" : "No ",
- (c1&0x40) ? "Yes" : "No " );
-
- pci_read_config_byte(bmide_dev, 0x54, ®5xh);
- pci_read_config_byte(bmide_dev, 0x55, ®5yh);
- q = "FIFO threshold: %2d Words %2d Words"
- " %2d Words %2d Words\n";
- if (rev < 0xc1) {
- if ((rev == 0x20) &&
- (pci_read_config_byte(bmide_dev, 0x4f, &tmp), (tmp &= 0x20))) {
- p += sprintf(p, q, 8, 8, 8, 8);
- } else {
- p += sprintf(p, q,
- (reg5xh & 0x03) + 12,
- ((reg5xh & 0x30)>>4) + 12,
- (reg5yh & 0x03) + 12,
- ((reg5yh & 0x30)>>4) + 12 );
- }
- } else {
- int t1 = (tmp = (reg5xh & 0x03)) ? (tmp << 3) : 4;
- int t2 = (tmp = ((reg5xh & 0x30)>>4)) ? (tmp << 3) : 4;
- int t3 = (tmp = (reg5yh & 0x03)) ? (tmp << 3) : 4;
- int t4 = (tmp = ((reg5yh & 0x30)>>4)) ? (tmp << 3) : 4;
- p += sprintf(p, q, t1, t2, t3, t4);
- }
-
-#if 0
- p += sprintf(p,
- "FIFO threshold: %2d Words %2d Words"
- " %2d Words %2d Words\n",
- (reg5xh & 0x03) + 12,
- ((reg5xh & 0x30)>>4) + 12,
- (reg5yh & 0x03) + 12,
- ((reg5yh & 0x30)>>4) + 12 );
-#endif
-
- p += sprintf(p,
- "FIFO mode: %s %s %s %s\n",
- fifo[((reg5xh & 0x0c) >> 2)],
- fifo[((reg5xh & 0xc0) >> 6)],
- fifo[((reg5yh & 0x0c) >> 2)],
- fifo[((reg5yh & 0xc0) >> 6)] );
-
- pci_read_config_byte(bmide_dev, 0x5a, ®5xh);
- pci_read_config_byte(bmide_dev, 0x5b, ®5xh1);
- pci_read_config_byte(bmide_dev, 0x5e, ®5yh);
- pci_read_config_byte(bmide_dev, 0x5f, ®5yh1);
-
- p += sprintf(p,/*
- "------------------drive0-----------drive1"
- "------------drive0-----------drive1------\n")*/
- "Dt RW act. Cnt %2dT %2dT"
- " %2dT %2dT\n"
- "Dt RW rec. Cnt %2dT %2dT"
- " %2dT %2dT\n\n",
- (reg5xh & 0x70) ? ((reg5xh & 0x70) >> 4) : 8,
- (reg5xh1 & 0x70) ? ((reg5xh1 & 0x70) >> 4) : 8,
- (reg5yh & 0x70) ? ((reg5yh & 0x70) >> 4) : 8,
- (reg5yh1 & 0x70) ? ((reg5yh1 & 0x70) >> 4) : 8,
- (reg5xh & 0x0f) ? (reg5xh & 0x0f) : 16,
- (reg5xh1 & 0x0f) ? (reg5xh1 & 0x0f) : 16,
- (reg5yh & 0x0f) ? (reg5yh & 0x0f) : 16,
- (reg5yh1 & 0x0f) ? (reg5yh1 & 0x0f) : 16 );
-
- p += sprintf(p,
- "-----------------------------------UDMA Timings"
- "--------------------------------\n\n");
-
- pci_read_config_byte(bmide_dev, 0x56, ®5xh);
- pci_read_config_byte(bmide_dev, 0x57, ®5yh);
- p += sprintf(p,
- "UDMA: %s %s"
- " %s %s\n"
- "UDMA timings: %s %s"
- " %s %s\n\n",
- (reg5xh & 0x08) ? "OK" : "No",
- (reg5xh & 0x80) ? "OK" : "No",
- (reg5yh & 0x08) ? "OK" : "No",
- (reg5yh & 0x80) ? "OK" : "No",
- udmaT[(reg5xh & 0x07)],
- udmaT[(reg5xh & 0x70) >> 4],
- udmaT[reg5yh & 0x07],
- udmaT[(reg5yh & 0x70) >> 4] );
-
- return p-buffer; /* => must be less than 4k! */
-}
-#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
-
/**
* ali_set_pio_mode - set host controller for PIO mode
* @drive: drive
int s_time, a_time, c_time;
u8 s_clc, a_clc, r_clc;
unsigned long flags;
- int bus_speed = system_bus_clock();
+ int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock();
int port = hwif->channel ? 0x5c : 0x58;
int portFIFO = hwif->channel ? 0x55 : 0x54;
u8 cd_dma_fifo = 0;
isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
-#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
- if (!ali_proc) {
- ali_proc = 1;
- bmide_dev = dev;
- ide_pci_create_host_proc("ali", ali_get_info);
- }
-#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
-
local_irq_save(flags);
if (m5229_revision < 0xC2) {
}
/**
- * ata66_ali15x3 - check for UDMA 66 support
+ * ali_cable_detect - cable detection
* @hwif: IDE interface
*
* This checks if the controller and the cable are capable
* FIXME: frobs bits that are not defined on newer ALi devicea
*/
-static u8 __devinit ata66_ali15x3(ide_hwif_t *hwif)
+static u8 __devinit ali_cable_detect(ide_hwif_t *hwif)
{
struct pci_dev *dev = to_pci_dev(hwif->dev);
unsigned long flags;
return cbl;
}
-/**
- * init_hwif_common_ali15x3 - Set up ALI IDE hardware
- * @hwif: IDE interface
- *
- * Initialize the IDE structure side of the ALi 15x3 driver.
- */
-
-static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
-{
- hwif->set_pio_mode = &ali_set_pio_mode;
- hwif->set_dma_mode = &ali_set_dma_mode;
- hwif->udma_filter = &ali_udma_filter;
-
- if (hwif->dma_base == 0)
- return;
-
- hwif->dma_setup = &ali15x3_dma_setup;
-
- if (hwif->cbl != ATA_CBL_PATA40_SHORT)
- hwif->cbl = ata66_ali15x3(hwif);
-}
-
+#if !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC)
/**
* init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff
* @hwif: interface to configure
*
* Obtain the IRQ tables for an ALi based IDE solution on the PC
* class platforms. This part of the code isn't applicable to the
- * Sparc systems
+ * Sparc and PowerPC systems.
*/
static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif)
if(irq >= 0)
hwif->irq = irq;
}
-
- init_hwif_common_ali15x3(hwif);
}
+#else
+#define init_hwif_ali15x3 NULL
+#endif /* !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC) */
/**
* init_dma_ali15x3 - set up DMA on ALi15x3
* @hwif: IDE interface
- * @dmabase: DMA interface base PCI address
+ * @d: IDE port info
*
- * Set up the DMA functionality on the ALi 15x3. For the ALi
- * controllers this is generic so we can let the generic code do
- * the actual work.
+ * Set up the DMA functionality on the ALi 15x3.
*/
-static void __devinit init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase)
+static int __devinit init_dma_ali15x3(ide_hwif_t *hwif,
+ const struct ide_port_info *d)
{
- if (m5229_revision < 0x20)
- return;
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ unsigned long base = ide_pci_dma_base(hwif, d);
+
+ if (base == 0 || ide_pci_set_master(dev, d->name) < 0)
+ return -1;
+
if (!hwif->channel)
- outb(inb(dmabase + 2) & 0x60, dmabase + 2);
- ide_setup_dma(hwif, dmabase);
+ outb(inb(base + 2) & 0x60, base + 2);
+
+ printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n",
+ hwif->name, base, base + 7);
+
+ if (ide_allocate_dma_engine(hwif))
+ return -1;
+
+ ide_setup_dma(hwif, base);
+
+ return 0;
}
+static const struct ide_port_ops ali_port_ops = {
+ .set_pio_mode = ali_set_pio_mode,
+ .set_dma_mode = ali_set_dma_mode,
+ .udma_filter = ali_udma_filter,
+ .cable_detect = ali_cable_detect,
+};
+
+static const struct ide_dma_ops ali_dma_ops = {
+ .dma_host_set = ide_dma_host_set,
+ .dma_setup = ali15x3_dma_setup,
+ .dma_exec_cmd = ide_dma_exec_cmd,
+ .dma_start = ide_dma_start,
+ .dma_end = __ide_dma_end,
+ .dma_test_irq = ide_dma_test_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
+ .dma_timeout = ide_dma_timeout,
+};
+
static const struct ide_port_info ali15x3_chipset __devinitdata = {
.name = "ALI15X3",
.init_chipset = init_chipset_ali15x3,
.init_hwif = init_hwif_ali15x3,
.init_dma = init_dma_ali15x3,
- .host_flags = IDE_HFLAG_BOOTABLE,
+ .port_ops = &ali_port_ops,
.pio_mask = ATA_PIO5,
.swdma_mask = ATA_SWDMA2,
.mwdma_mask = ATA_MWDMA2,
d.udma_mask = ATA_UDMA5;
else
d.udma_mask = ATA_UDMA6;
+
+ d.dma_ops = &ali_dma_ops;
+ } else {
+ d.host_flags |= IDE_HFLAG_NO_DMA;
+
+ d.mwdma_mask = d.swdma_mask = 0;
}
if (idx == 0)
d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX;
-#if defined(CONFIG_SPARC64)
- d.init_hwif = init_hwif_common_ali15x3;
-#endif /* CONFIG_SPARC64 */
return ide_setup_pci_device(dev, &d);
}
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