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wlcore/wl12xx: add command trigger and event ack operations 

Different chips may use different bits in the interrupt trigger
register.  Add operations to handle these differences.

Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Luciano Coelho 2012-04-11 10:15:46 +03:00
parent 30d9b4a58b
commit f16ff75872
5 changed files with 40 additions and 19 deletions
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12
drivers/net/wireless/ti/wl12xx/main.c
View File

@ -571,6 +571,16 @@ static int wl12xx_boot(struct wl1271 *wl)
return ret; return ret;
} }
static void wl12xx_trigger_cmd(struct wl1271 *wl)
{
wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD);
}
static void wl12xx_ack_event(struct wl1271 *wl)
{
wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_EVENT_ACK);
}
static bool wl12xx_mac_in_fuse(struct wl1271 *wl) static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
{ {
bool supported = false; bool supported = false;
@ -637,6 +647,8 @@ static void wl12xx_get_mac(struct wl1271 *wl)
static struct wlcore_ops wl12xx_ops = { static struct wlcore_ops wl12xx_ops = {
.identify_chip = wl12xx_identify_chip, .identify_chip = wl12xx_identify_chip,
.boot = wl12xx_boot, .boot = wl12xx_boot,
.trigger_cmd = wl12xx_trigger_cmd,
.ack_event = wl12xx_ack_event,
.get_pg_ver = wl12xx_get_pg_ver, .get_pg_ver = wl12xx_get_pg_ver,
.get_mac = wl12xx_get_mac, .get_mac = wl12xx_get_mac,
}; };

16
drivers/net/wireless/ti/wl12xx/reg.h
View File

@ -490,6 +490,22 @@ enum {
/* end PLL configuration algorithm for wl128x */ /* end PLL configuration algorithm for wl128x */
/*
* Host Command Interrupt. Setting this bit masks
* the interrupt that the host issues to inform
* the FW that it has sent a command
* to the Wlan hardware Command Mailbox.
*/
#define WL12XX_INTR_TRIG_CMD BIT(0)
/*
* Host Event Acknowlegde Interrupt. The host
* sets this bit to acknowledge that it received
* the unsolicited information from the event
* mailbox.
*/
#define WL12XX_INTR_TRIG_EVENT_ACK BIT(1)
/*=============================================== /*===============================================
HI_CFG Interface Configuration Register Values HI_CFG Interface Configuration Register Values
------------------------------------------ ------------------------------------------

6
drivers/net/wireless/ti/wlcore/cmd.c
View File

@ -66,7 +66,11 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
wl1271_write(wl, wl->cmd_box_addr, buf, len, false); wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
wlcore_write_reg(wl, REG_INTERRUPT_TRIG, INTR_TRIG_CMD); /*
* TODO: we just need this because one bit is in a different
* place. Is there any better way?
*/
wl->ops->trigger_cmd(wl);
timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);

7
drivers/net/wireless/ti/wlcore/event.c
View File

@ -305,8 +305,11 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
if (ret < 0) if (ret < 0)
return ret; return ret;
/* then we let the firmware know it can go on...*/ /*
wlcore_write_reg(wl, REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK); * TODO: we just need this because one bit is in a different
* place. Is there any better way?
*/
wl->ops->ack_event(wl);
return 0; return 0;
} }

18
drivers/net/wireless/ti/wlcore/wlcore.h
View File

@ -30,6 +30,8 @@
struct wlcore_ops { struct wlcore_ops {
int (*identify_chip)(struct wl1271 *wl); int (*identify_chip)(struct wl1271 *wl);
int (*boot)(struct wl1271 *wl); int (*boot)(struct wl1271 *wl);
void (*trigger_cmd)(struct wl1271 *wl);
void (*ack_event)(struct wl1271 *wl);
s8 (*get_pg_ver)(struct wl1271 *wl); s8 (*get_pg_ver)(struct wl1271 *wl);
void (*get_mac)(struct wl1271 *wl); void (*get_mac)(struct wl1271 *wl);
}; };
@ -344,22 +346,6 @@ int wlcore_free_hw(struct wl1271 *wl);
/* Hardware to Embedded CPU Interrupts - first 32-bit register set */ /* Hardware to Embedded CPU Interrupts - first 32-bit register set */
/*
* Host Command Interrupt. Setting this bit masks
* the interrupt that the host issues to inform
* the FW that it has sent a command
* to the Wlan hardware Command Mailbox.
*/
#define INTR_TRIG_CMD BIT(0)
/*
* Host Event Acknowlegde Interrupt. The host
* sets this bit to acknowledge that it received
* the unsolicited information from the event
* mailbox.
*/
#define INTR_TRIG_EVENT_ACK BIT(1)
/* /*
* The host sets this bit to inform the Wlan * The host sets this bit to inform the Wlan
* FW that a TX packet is in the XFER * FW that a TX packet is in the XFER