From 44d7d3282baa4080b73adca31648e6ef1e191874 Mon Sep 17 00:00:00 2001 From: Samuel Tardieu Date: Thu, 7 Sep 2006 11:57:00 +0200 Subject: [WATCHDOG] w83697hf/hg WDT driver - patch 5 This is patch 5 in the series of patches that converts Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's w83697hf/hg watchdog driver. This patch contains following changes: - Rename the Extended Function Registers to the names used in the data-sheet. Signed-off-by: Samuel Tardieu Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/w83697hf_wdt.c | 42 ++++++++++++++++++------------------ 1 file changed, 21 insertions(+), 21 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/watchdog/w83697hf_wdt.c b/drivers/char/watchdog/w83697hf_wdt.c index 94b1655..c44f281 100644 --- a/drivers/char/watchdog/w83697hf_wdt.c +++ b/drivers/char/watchdog/w83697hf_wdt.c @@ -64,29 +64,29 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON * Kernel methods. */ -#define WDT_EFER (wdt_io+0) /* Extended Function Enable Registers */ -#define WDT_EFIR (wdt_io+0) /* Extended Function Index Register (same as EFER) */ -#define WDT_EFDR (WDT_EFIR+1) /* Extended Function Data Register */ +#define W83697HF_EFER (wdt_io+0) /* Extended Function Enable Register */ +#define W83697HF_EFIR (wdt_io+0) /* Extended Function Index Register (same as EFER) */ +#define W83697HF_EFDR (wdt_io+1) /* Extended Function Data Register */ static void w83697hf_select_wd_register(void) { - outb_p(0x87, WDT_EFER); /* Enter extended function mode */ - outb_p(0x87, WDT_EFER); /* Again according to manual */ + outb_p(0x87, W83697HF_EFER); /* Enter extended function mode */ + outb_p(0x87, W83697HF_EFER); /* Again according to manual */ - outb_p(0x29, WDT_EFER); /* select CR29 */ - outb_p(0x20, WDT_EFDR); /* select WDTO */ + outb_p(0x29, W83697HF_EFER); /* select CR29 */ + outb_p(0x20, W83697HF_EFDR); /* select WDTO */ - outb_p(0x07, WDT_EFER); /* point to logical device number reg */ - outb_p(0x08, WDT_EFDR); /* select logical device 8 (GPIO2) */ - outb_p(0x30, WDT_EFER); /* select CR30 */ - outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */ + outb_p(0x07, W83697HF_EFER); /* point to logical device number reg */ + outb_p(0x08, W83697HF_EFDR); /* select logical device 8 (GPIO2) */ + outb_p(0x30, W83697HF_EFER); /* select CR30 */ + outb_p(0x01, W83697HF_EFDR); /* set bit 0 to activate GPIO2 */ } static void w83697hf_unselect_wd_register(void) { - outb_p(0xAA, WDT_EFER); /* Leave extended function mode */ + outb_p(0xAA, W83697HF_EFER); /* Leave extended function mode */ } static void @@ -96,17 +96,17 @@ w83697hf_init(void) w83697hf_select_wd_register(); - outb_p(0xF3, WDT_EFER); /* Select CRF3 */ + outb_p(0xF3, W83697HF_EFER); /* Select CRF3 */ - t=inb_p(WDT_EFDR); /* read CRF3 */ + t=inb_p(W83697HF_EFDR); /* read CRF3 */ if (t != 0) { printk (KERN_INFO PFX "Watchdog already running. Resetting timeout to %d sec\n", timeout); - outb_p(timeout, WDT_EFDR); /* Write back to CRF3 */ + outb_p(timeout, W83697HF_EFDR); /* Write back to CRF3 */ } - outb_p(0xF4, WDT_EFER); /* Select CRF4 */ - t=inb_p(WDT_EFDR); /* read CRF4 */ - t&=~0x0C; /* set second mode & disable keyboard turning off watchdog */ - outb_p(t, WDT_EFDR); /* Write back to CRF4 */ + outb_p(0xF4, W83697HF_EFER); /* Select CRF4 */ + t=inb_p(W83697HF_EFDR); /* read CRF4 */ + t&=~0x0C; /* set second mode & disable keyboard turning off watchdog */ + outb_p(t, W83697HF_EFDR); /* Write back to CRF4 */ w83697hf_unselect_wd_register(); } @@ -118,8 +118,8 @@ wdt_ctrl(int timeout) w83697hf_select_wd_register(); - outb_p(0xF4, WDT_EFER); /* Select CRF4 */ - outb_p(timeout, WDT_EFDR); /* Write Timeout counter to CRF4 */ + outb_p(0xF4, W83697HF_EFER); /* Select CRF4 */ + outb_p(timeout, W83697HF_EFDR); /* Write Timeout counter to CRF4 */ w83697hf_unselect_wd_register(); -- cgit v1.1