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path: root/drivers/ata/sata_sil24.c
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Diffstat (limited to 'drivers/ata/sata_sil24.c')
-rw-r--r--drivers/ata/sata_sil24.c73
1 files changed, 32 insertions, 41 deletions
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index c7a3c02..9dcf11e 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -60,6 +60,9 @@ struct sil24_port_multiplier {
};
enum {
+ SIL24_HOST_BAR = 0,
+ SIL24_PORT_BAR = 2,
+
/*
* Global controller registers (128 bytes @ BAR0)
*/
@@ -320,12 +323,6 @@ struct sil24_port_priv {
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);
@@ -462,7 +459,7 @@ static int sil24_tag(int tag)
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);
@@ -473,7 +470,7 @@ static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev)
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];
@@ -496,7 +493,7 @@ static int sil24_scr_map[] = {
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;
@@ -507,7 +504,7 @@ static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg)
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;
@@ -523,7 +520,7 @@ static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
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);
@@ -539,7 +536,7 @@ static int sil24_init_port(struct ata_port *ap)
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;
@@ -599,7 +596,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
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;
@@ -716,7 +713,7 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
{
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;
@@ -737,7 +734,7 @@ static void sil24_irq_clear(struct ata_port *ap)
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.
@@ -747,7 +744,7 @@ static void sil24_freeze(struct ata_port *ap)
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 */
@@ -760,7 +757,7 @@ static void sil24_thaw(struct ata_port *ap)
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;
@@ -838,7 +835,7 @@ static void sil24_finish_qc(struct ata_queued_cmd *qc)
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;
@@ -873,12 +870,12 @@ static inline void sil24_host_intr(struct ata_port *ap)
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, "
@@ -1031,7 +1028,6 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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;
- struct sil24_host_priv *hpriv;
void __iomem *host_base;
void __iomem *port_base;
int i, rc;
@@ -1044,20 +1040,15 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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)
return rc;
- /* map mmio registers */
- host_base = pcim_iomap(pdev, 0, 0);
- port_base = pcim_iomap(pdev, 2, 0);
- if (!host_base || !port_base)
- return -ENOMEM;
-
- /* allocate & init probe_ent and hpriv */
+ /* allocate & init probe_ent */
probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
- hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
- if (!probe_ent || !hpriv)
+ if (!probe_ent)
return -ENOMEM;
probe_ent->dev = pci_dev_to_dev(pdev);
@@ -1073,10 +1064,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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
@@ -1118,11 +1109,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
}
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]);
}
@@ -1143,7 +1133,8 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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;
rc = ata_pci_device_do_resume(pdev);
@@ -1151,10 +1142,10 @@ static int sil24_pci_device_resume(struct pci_dev *pdev)
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);
generated by cgit v1.1 at 2024-06-11 04:07:59 +0000