#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
-#include <asm/io.h>
#define DRV_NAME "sata_sil24"
#define DRV_VERSION "0.3"
};
enum {
+ SIL24_HOST_BAR = 0,
+ SIL24_PORT_BAR = 2,
+
/*
* Global controller registers (128 bytes @ BAR0)
*/
*/
PORT_REGS_SIZE = 0x2000,
- PORT_LRAM = 0x0000, /* 31 LRAM slots and PM regs */
+ PORT_LRAM = 0x0000, /* 31 LRAM slots and PMP regs */
PORT_LRAM_SLOT_SZ = 0x0080, /* 32 bytes PRB + 2 SGE, ACT... */
- PORT_PM = 0x0f80, /* 8 bytes PM * 16 (128 bytes) */
+ PORT_PMP = 0x0f80, /* 8 bytes PMP * 16 (128 bytes) */
+ PORT_PMP_STATUS = 0x0000, /* port device status offset */
+ PORT_PMP_QACTIVE = 0x0004, /* port device QActive offset */
+ PORT_PMP_SIZE = 0x0008, /* 8 bytes per PMP */
+
/* 32 bit regs */
PORT_CTRL_STAT = 0x1000, /* write: ctrl-set, read: stat */
PORT_CTRL_CLR = 0x1004, /* write: ctrl-clear */
PORT_PHY_CFG = 0x1050,
PORT_SLOT_STAT = 0x1800,
PORT_CMD_ACTIVATE = 0x1c00, /* 64 bit cmd activate * 31 (248 bytes) */
+ PORT_CONTEXT = 0x1e04,
PORT_EXEC_DIAG = 0x1e00, /* 32bit exec diag * 16 (64 bytes, 0-10 used on 3124) */
PORT_PSD_DIAG = 0x1e40, /* 32bit psd diag * 16 (64 bytes, 0-8 used on 3124) */
PORT_SCONTROL = 0x1f00,
PORT_CS_INIT = (1 << 2), /* port initialize */
PORT_CS_IRQ_WOC = (1 << 3), /* interrupt write one to clear */
PORT_CS_CDB16 = (1 << 5), /* 0=12b cdb, 1=16b cdb */
- PORT_CS_RESUME = (1 << 6), /* port resume */
+ PORT_CS_PMP_RESUME = (1 << 6), /* PMP resume */
PORT_CS_32BIT_ACTV = (1 << 10), /* 32-bit activation */
- PORT_CS_PM_EN = (1 << 13), /* port multiplier enable */
+ PORT_CS_PMP_EN = (1 << 13), /* port multiplier enable */
PORT_CS_RDY = (1 << 31), /* port ready to accept commands */
/* PORT_IRQ_STAT/ENABLE_SET/CLR */
struct ata_taskfile tf; /* Cached taskfile registers */
};
-/* ap->host->private_data */
-struct sil24_host_priv {
- void __iomem *host_base; /* global controller control (128 bytes @BAR0) */
- void __iomem *port_base; /* port registers (4 * 8192 bytes @BAR2) */
-};
-
static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev);
static u8 sil24_check_status(struct ata_port *ap);
static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg);
static void sil24_qc_prep(struct ata_queued_cmd *qc);
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
static void sil24_irq_clear(struct ata_port *ap);
-static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
+static irqreturn_t sil24_interrupt(int irq, void *dev_instance);
static void sil24_freeze(struct ata_port *ap);
static void sil24_thaw(struct ata_port *ap);
static void sil24_error_handler(struct ata_port *ap);
static void sil24_post_internal_cmd(struct ata_queued_cmd *qc);
static int sil24_port_start(struct ata_port *ap);
-static void sil24_port_stop(struct ata_port *ap);
-static void sil24_host_stop(struct ata_host *host);
static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
#ifdef CONFIG_PM
static int sil24_pci_device_resume(struct pci_dev *pdev);
.name = DRV_NAME,
.id_table = sil24_pci_tbl,
.probe = sil24_init_one,
- .remove = ata_pci_remove_one, /* safe? */
+ .remove = ata_pci_remove_one,
#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
.resume = sil24_pci_device_resume,
.irq_handler = sil24_interrupt,
.irq_clear = sil24_irq_clear,
+ .irq_on = ata_dummy_irq_on,
+ .irq_ack = ata_dummy_irq_ack,
.scr_read = sil24_scr_read,
.scr_write = sil24_scr_write,
.post_internal_cmd = sil24_post_internal_cmd,
.port_start = sil24_port_start,
- .port_stop = sil24_port_stop,
- .host_stop = sil24_host_stop,
};
/*
static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
if (dev->cdb_len == 16)
writel(PORT_CS_CDB16, port + PORT_CTRL_STAT);
static inline void sil24_update_tf(struct ata_port *ap)
{
struct sil24_port_priv *pp = ap->private_data;
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
struct sil24_prb __iomem *prb = port;
u8 fis[6 * 4];
static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg)
{
- void __iomem *scr_addr = (void __iomem *)ap->ioaddr.scr_addr;
+ void __iomem *scr_addr = ap->ioaddr.scr_addr;
if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
void __iomem *addr;
addr = scr_addr + sil24_scr_map[sc_reg] * 4;
static void sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
{
- void __iomem *scr_addr = (void __iomem *)ap->ioaddr.scr_addr;
+ void __iomem *scr_addr = ap->ioaddr.scr_addr;
if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
void __iomem *addr;
addr = scr_addr + sil24_scr_map[sc_reg] * 4;
static int sil24_init_port(struct ata_port *ap)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
u32 tmp;
writel(PORT_CS_INIT, port + PORT_CTRL_STAT);
static int sil24_softreset(struct ata_port *ap, unsigned int *class)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
struct sil24_port_priv *pp = ap->private_data;
struct sil24_prb *prb = &pp->cmd_block[0].ata.prb;
dma_addr_t paddr = pp->cmd_block_dma;
/* do SRST */
prb->ctrl = cpu_to_le16(PRB_CTRL_SRST);
- prb->fis[1] = 0; /* no PM yet */
+ prb->fis[1] = 0; /* no PMP yet */
writel((u32)paddr, port + PORT_CMD_ACTIVATE);
writel((u64)paddr >> 32, port + PORT_CMD_ACTIVATE + 4);
static int sil24_hardreset(struct ata_port *ap, unsigned int *class)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
const char *reason;
int tout_msec, rc;
u32 tmp;
{
struct ata_port *ap = qc->ap;
struct sil24_port_priv *pp = ap->private_data;
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
unsigned int tag = sil24_tag(qc->tag);
dma_addr_t paddr;
void __iomem *activate;
static void sil24_freeze(struct ata_port *ap)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
/* Port-wide IRQ mask in HOST_CTRL doesn't really work, clear
* PORT_IRQ_ENABLE instead.
static void sil24_thaw(struct ata_port *ap)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
u32 tmp;
/* clear IRQ */
static void sil24_error_intr(struct ata_port *ap)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
struct ata_eh_info *ehi = &ap->eh_info;
int freeze = 0;
u32 irq_stat;
static inline void sil24_host_intr(struct ata_port *ap)
{
- void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
+ void __iomem *port = ap->ioaddr.cmd_addr;
u32 slot_stat, qc_active;
int rc;
slot_stat, ap->active_tag, ap->sactive);
}
-static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t sil24_interrupt(int irq, void *dev_instance)
{
struct ata_host *host = dev_instance;
- struct sil24_host_priv *hpriv = host->private_data;
+ void __iomem *host_base = host->iomap[SIL24_HOST_BAR];
unsigned handled = 0;
u32 status;
int i;
- status = readl(hpriv->host_base + HOST_IRQ_STAT);
+ status = readl(host_base + HOST_IRQ_STAT);
if (status == 0xffffffff) {
printk(KERN_ERR DRV_NAME ": IRQ status == 0xffffffff, "
sil24_init_port(ap);
}
-static inline void sil24_cblk_free(struct sil24_port_priv *pp, struct device *dev)
-{
- const size_t cb_size = sizeof(*pp->cmd_block) * SIL24_MAX_CMDS;
-
- dma_free_coherent(dev, cb_size, pp->cmd_block, pp->cmd_block_dma);
-}
-
static int sil24_port_start(struct ata_port *ap)
{
struct device *dev = ap->host->dev;
union sil24_cmd_block *cb;
size_t cb_size = sizeof(*cb) * SIL24_MAX_CMDS;
dma_addr_t cb_dma;
- int rc = -ENOMEM;
+ int rc;
- pp = kzalloc(sizeof(*pp), GFP_KERNEL);
+ pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
if (!pp)
- goto err_out;
+ return -ENOMEM;
pp->tf.command = ATA_DRDY;
- cb = dma_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL);
+ cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL);
if (!cb)
- goto err_out_pp;
+ return -ENOMEM;
memset(cb, 0, cb_size);
rc = ata_pad_alloc(ap, dev);
if (rc)
- goto err_out_pad;
+ return rc;
pp->cmd_block = cb;
pp->cmd_block_dma = cb_dma;
ap->private_data = pp;
return 0;
-
-err_out_pad:
- sil24_cblk_free(pp, dev);
-err_out_pp:
- kfree(pp);
-err_out:
- return rc;
-}
-
-static void sil24_port_stop(struct ata_port *ap)
-{
- struct device *dev = ap->host->dev;
- struct sil24_port_priv *pp = ap->private_data;
-
- sil24_cblk_free(pp, dev);
- ata_pad_free(ap, dev);
- kfree(pp);
-}
-
-static void sil24_host_stop(struct ata_host *host)
-{
- struct sil24_host_priv *hpriv = host->private_data;
- struct pci_dev *pdev = to_pci_dev(host->dev);
-
- pci_iounmap(pdev, hpriv->host_base);
- pci_iounmap(pdev, hpriv->port_base);
- kfree(hpriv);
}
static void sil24_init_controller(struct pci_dev *pdev, int n_ports,
writel(PORT_CS_32BIT_ACTV, port + PORT_CTRL_CLR);
/* Clear port multiplier enable and resume bits */
- writel(PORT_CS_PM_EN | PORT_CS_RESUME, port + PORT_CTRL_CLR);
+ writel(PORT_CS_PMP_EN | PORT_CS_PMP_RESUME,
+ port + PORT_CTRL_CLR);
}
/* Turn on interrupts */
static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version = 0;
+ struct device *dev = &pdev->dev;
unsigned int board_id = (unsigned int)ent->driver_data;
struct ata_port_info *pinfo = &sil24_port_info[board_id];
- struct ata_probe_ent *probe_ent = NULL;
- struct sil24_host_priv *hpriv = NULL;
- void __iomem *host_base = NULL;
- void __iomem *port_base = NULL;
+ struct ata_probe_ent *probe_ent;
+ void __iomem *host_base;
+ void __iomem *port_base;
int i, rc;
u32 tmp;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
- rc = pci_enable_device(pdev);
+ rc = pcim_enable_device(pdev);
if (rc)
return rc;
- rc = pci_request_regions(pdev, DRV_NAME);
+ rc = pcim_iomap_regions(pdev,
+ (1 << SIL24_HOST_BAR) | (1 << SIL24_PORT_BAR),
+ DRV_NAME);
if (rc)
- goto out_disable;
-
- rc = -ENOMEM;
- /* map mmio registers */
- host_base = pci_iomap(pdev, 0, 0);
- if (!host_base)
- goto out_free;
- port_base = pci_iomap(pdev, 2, 0);
- if (!port_base)
- goto out_free;
-
- /* allocate & init probe_ent and hpriv */
- probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
- if (!probe_ent)
- goto out_free;
+ return rc;
- hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL);
- if (!hpriv)
- goto out_free;
+ /* allocate & init probe_ent */
+ probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
+ if (!probe_ent)
+ return -ENOMEM;
probe_ent->dev = pci_dev_to_dev(pdev);
INIT_LIST_HEAD(&probe_ent->node);
probe_ent->irq = pdev->irq;
probe_ent->irq_flags = IRQF_SHARED;
- probe_ent->private_data = hpriv;
+ probe_ent->iomap = pcim_iomap_table(pdev);
- hpriv->host_base = host_base;
- hpriv->port_base = port_base;
+ host_base = probe_ent->iomap[SIL24_HOST_BAR];
+ port_base = probe_ent->iomap[SIL24_PORT_BAR];
/*
* Configure the device
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"64-bit DMA enable failed\n");
- goto out_free;
+ return rc;
}
}
} else {
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"32-bit DMA enable failed\n");
- goto out_free;
+ return rc;
}
rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"32-bit consistent DMA enable failed\n");
- goto out_free;
+ return rc;
}
}
}
for (i = 0; i < probe_ent->n_ports; i++) {
- unsigned long portu =
- (unsigned long)port_base + i * PORT_REGS_SIZE;
+ void __iomem *port = port_base + i * PORT_REGS_SIZE;
- probe_ent->port[i].cmd_addr = portu;
- probe_ent->port[i].scr_addr = portu + PORT_SCONTROL;
+ probe_ent->port[i].cmd_addr = port;
+ probe_ent->port[i].scr_addr = port + PORT_SCONTROL;
ata_std_ports(&probe_ent->port[i]);
}
pci_set_master(pdev);
- /* FIXME: check ata_device_add return value */
- ata_device_add(probe_ent);
+ if (!ata_device_add(probe_ent))
+ return -ENODEV;
- kfree(probe_ent);
+ devm_kfree(dev, probe_ent);
return 0;
-
- out_free:
- if (host_base)
- pci_iounmap(pdev, host_base);
- if (port_base)
- pci_iounmap(pdev, port_base);
- kfree(probe_ent);
- kfree(hpriv);
- pci_release_regions(pdev);
- out_disable:
- pci_disable_device(pdev);
- return rc;
}
#ifdef CONFIG_PM
static int sil24_pci_device_resume(struct pci_dev *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
- struct sil24_host_priv *hpriv = host->private_data;
+ void __iomem *host_base = host->iomap[SIL24_HOST_BAR];
+ void __iomem *port_base = host->iomap[SIL24_PORT_BAR];
+ int rc;
- ata_pci_device_do_resume(pdev);
+ rc = ata_pci_device_do_resume(pdev);
+ if (rc)
+ return rc;
if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND)
- writel(HOST_CTRL_GLOBAL_RST, hpriv->host_base + HOST_CTRL);
+ writel(HOST_CTRL_GLOBAL_RST, host_base + HOST_CTRL);
sil24_init_controller(pdev, host->n_ports, host->ports[0]->flags,
- hpriv->host_base, hpriv->port_base);
+ host_base, port_base);
ata_host_resume(host);
projects / linux-drm-fsl-dcu.git / blobdiff