diff options
Diffstat (limited to 'src/superio/smsc/lpc47n227/superio.c')
| -rw-r--r-- | src/superio/smsc/lpc47n227/superio.c | 91 |
1 files changed, 38 insertions, 53 deletions
diff --git a/src/superio/smsc/lpc47n227/superio.c b/src/superio/smsc/lpc47n227/superio.c index f921ed85f3..5a994f7ca3 100644 --- a/src/superio/smsc/lpc47n227/superio.c +++ b/src/superio/smsc/lpc47n227/superio.c @@ -70,38 +70,34 @@ static struct pnp_info pnp_dev_info[] = { {0x7f8, 0x4},} }; -/**********************************************************************************/ -/* PUBLIC INTERFACE */ -/**********************************************************************************/ - -//---------------------------------------------------------------------------------- -// Function: enable_dev -// Parameters: dev - pointer to structure describing a Super I/O device -// Return Value: None -// Description: Create device structures and allocate resources to devices -// specified in the pnp_dev_info array (above). -// +/** + * Create device structures and allocate resources to devices specified in the + * pnp_dev_info array (above). + * + * @param dev Pointer to structure describing a Super I/O device. + */ static void enable_dev(device_t dev) { pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); } -//---------------------------------------------------------------------------------- -// Function: lpc47n227_pnp_set_resources -// Parameters: dev - pointer to structure describing a Super I/O device -// Return Value: None -// Description: Configure the specified Super I/O device with the resources -// (I/O space, etc.) that have been allocate for it. -// +/** + * Configure the specified Super I/O device with the resources (I/O space, + * etc.) that have been allocate for it. + * + * @param dev Pointer to structure describing a Super I/O device. + */ void lpc47n227_pnp_set_resources(device_t dev) { struct resource *res; pnp_enter_conf_state(dev); - // NOTE: Cannot use pnp_set_resources() here because it assumes chip - // support for logical devices, which the LPC47N227 doesn't have + /* + * NOTE: Cannot use pnp_set_resources() here because it assumes chip + * support for logical devices, which the LPC47N227 doesn't have. + */ for (res = dev->resource_list; res; res = res->next) lpc47n227_pnp_set_resource(dev, res); @@ -112,8 +108,10 @@ void lpc47n227_pnp_enable_resources(device_t dev) { pnp_enter_conf_state(dev); - // NOTE: Cannot use pnp_enable_resources() here because it assumes chip - // support for logical devices, which the LPC47N227 doesn't have + /* + * NOTE: Cannot use pnp_enable_resources() here because it assumes chip + * support for logical devices, which the LPC47N227 doesn't have. + */ lpc47n227_pnp_set_enable(dev, 1); pnp_exit_conf_state(dev); @@ -123,9 +121,10 @@ void lpc47n227_pnp_enable(device_t dev) { pnp_enter_conf_state(dev); - // NOTE: Cannot use pnp_set_enable() here because it assumes chip - // support for logical devices, which the LPC47N227 doesn't have - + /* + * NOTE: Cannot use pnp_set_enable() here because it assumes chip + * support for logical devices, which the LPC47N227 doesn't have. + */ if (dev->enabled) { lpc47n227_pnp_set_enable(dev, 1); } else { @@ -135,14 +134,14 @@ void lpc47n227_pnp_enable(device_t dev) pnp_exit_conf_state(dev); } -//---------------------------------------------------------------------------------- -// Function: lpc47n227_init -// Parameters: dev - pointer to structure describing a Super I/O device -// Return Value: None -// Description: Initialize the specified Super I/O device. -// Devices other than COM ports and keyboard controller are ignored. -// For COM ports, we configure the baud rate. -// +/** + * Initialize the specified Super I/O device. + * + * Devices other than COM ports and keyboard controller are ignored. + * For COM ports, we configure the baud rate. + * + * @param dev Pointer to structure describing a Super I/O device. + */ static void lpc47n227_init(device_t dev) { struct superio_smsc_lpc47n227_config *conf = dev->chip_info; @@ -169,10 +168,6 @@ static void lpc47n227_init(device_t dev) } } -/**********************************************************************************/ -/* PRIVATE FUNCTIONS */ -/**********************************************************************************/ - static void lpc47n227_pnp_set_resource(device_t dev, struct resource *resource) { if (!(resource->flags & IORESOURCE_ASSIGNED)) { @@ -182,9 +177,10 @@ static void lpc47n227_pnp_set_resource(device_t dev, struct resource *resource) } /* Now store the resource */ - // NOTE: Cannot use pnp_set_XXX() here because they assume chip - // support for logical devices, which the LPC47N227 doesn't have - + /* + * NOTE: Cannot use pnp_set_XXX() here because they assume chip + * support for logical devices, which the LPC47N227 doesn't have. + */ if (resource->flags & IORESOURCE_IO) { lpc47n227_pnp_set_iobase(dev, resource->base); } else if (resource->flags & IORESOURCE_DRQ) { @@ -328,25 +324,14 @@ void lpc47n227_pnp_set_enable(device_t dev, int enable) pnp_write_config(dev, power_register, new_power); } -//---------------------------------------------------------------------------------- -// Function: pnp_enter_conf_state -// Parameters: dev - pointer to structure describing a Super I/O device -// Return Value: None -// Description: Enable access to the LPC47N227's configuration registers. -// +/** Enable access to the LPC47N227's configuration registers. */ static void pnp_enter_conf_state(device_t dev) { outb(0x55, dev->path.pnp.port); } -//---------------------------------------------------------------------------------- -// Function: pnp_exit_conf_state -// Parameters: dev - pointer to structure describing a Super I/O device -// Return Value: None -// Description: Disable access to the LPC47N227's configuration registers. -// +/** Disable access to the LPC47N227's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { outb(0xaa, dev->path.pnp.port); } - |