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author | Uwe Hermann <uwe@hermann-uwe.de> | 2010-10-26 22:46:43 +0000 |
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committer | Uwe Hermann <uwe@hermann-uwe.de> | 2010-10-26 22:46:43 +0000 |
commit | b69cb5a31058c0295f2d810c852cc5b52d77225c (patch) | |
tree | 9f462e829279fbc1a892a70898ac2ee9da4c79e1 /src/superio/smsc/lpc47n227 | |
parent | b907d321a5d0957f5cbb03d8f9c8d0ff0c23523b (diff) | |
download | coreboot-b69cb5a31058c0295f2d810c852cc5b52d77225c.tar.xz |
Convert some comments to proper Doxygen syntax.
Also, make them all fit in 80chars/column, fix some whitespace issues
and also some typos I noticed.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5993 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/superio/smsc/lpc47n227')
-rw-r--r-- | src/superio/smsc/lpc47n227/lpc47n227.h | 5 | ||||
-rw-r--r-- | src/superio/smsc/lpc47n227/lpc47n227_early_serial.c | 85 | ||||
-rw-r--r-- | src/superio/smsc/lpc47n227/superio.c | 91 |
3 files changed, 80 insertions, 101 deletions
diff --git a/src/superio/smsc/lpc47n227/lpc47n227.h b/src/superio/smsc/lpc47n227/lpc47n227.h index 10b47736b1..769b5beadb 100644 --- a/src/superio/smsc/lpc47n227/lpc47n227.h +++ b/src/superio/smsc/lpc47n227/lpc47n227.h @@ -17,9 +17,10 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -/* Since the LPC47N227 does not have logical devices but a flat configuration +/* + * Since the LPC47N227 does not have logical devices but a flat configuration * space, these are arbitrary, but must match declarations in the mainboard - * devicetree.cb + * devicetree.cb. */ #define LPC47N227_PP 1 /* Parallel Port */ #define LPC47N227_SP1 2 /* COM1 */ diff --git a/src/superio/smsc/lpc47n227/lpc47n227_early_serial.c b/src/superio/smsc/lpc47n227/lpc47n227_early_serial.c index c6527d1ba6..318f0f3541 100644 --- a/src/superio/smsc/lpc47n227/lpc47n227_early_serial.c +++ b/src/superio/smsc/lpc47n227/lpc47n227_early_serial.c @@ -23,38 +23,34 @@ #include <arch/romcc_io.h> #include "lpc47n227.h" -//---------------------------------------------------------------------------------- -// Function: pnp_enter_conf_state -// Parameters: dev - high 8 bits = Super I/O port -// Return Value: None -// Description: Enable access to the LPC47N227's configuration registers. -// +/** + * Enable access to the LPC47N227's configuration registers. + * + * @param dev High 8 bits = Super I/O port. + */ static inline void pnp_enter_conf_state(device_t dev) { unsigned port = dev >> 8; outb(0x55, port); } -//---------------------------------------------------------------------------------- -// Function: pnp_exit_conf_state -// Parameters: dev - high 8 bits = Super I/O port -// Return Value: None -// Description: Disable access to the LPC47N227's configuration registers. -// +/** + * Disable access to the LPC47N227's configuration registers. + * + * @param dev High 8 bits = Super I/O port. + */ static void pnp_exit_conf_state(device_t dev) { unsigned port = dev >> 8; outb(0xaa, port); } -//---------------------------------------------------------------------------------- -// Function: lpc47n227_pnp_set_iobase -// Parameters: dev - high 8 bits = Super I/O port, -// low 8 bits = logical device number (per lpc47n227.h) -// iobase - base I/O port for the logical device -// Return Value: None -// Description: Program the base I/O port for the specified logical device. -// +/** + * Program the base I/O port for the specified logical device. + * + * @param dev High 8 bits = Super I/O port, low 8 bits = logical device number. + * @param iobase Base I/O port for the logical device. + */ void lpc47n227_pnp_set_iobase(device_t dev, unsigned iobase) { // LPC47N227 requires base ports to be a multiple of 4 @@ -78,20 +74,18 @@ void lpc47n227_pnp_set_iobase(device_t dev, unsigned iobase) } } -//---------------------------------------------------------------------------------- -// Function: lpc47n227_pnp_set_enable -// Parameters: dev - high 8 bits = Super I/O port, -// low 8 bits = logical device number (per lpc47n227.h) -// enable - 0 to disable, anythig else to enable -// Return Value: None -// Description: Enable or disable the specified logical device. -// Technically, a full disable requires setting the device's base -// I/O port below 0x100. We don't do that here, because we don't -// have access to a data structure that specifies what the 'real' -// base port is (when asked to enable the device). Also the function -// is used only to disable the device while its true base port is -// programmed (see lpc47n227_enable_serial() below). -// +/** + * Enable or disable the specified logical device. + * + * Technically, a full disable requires setting the device's base I/O port + * below 0x100. We don't do that here, because we don't have access to a data + * structure that specifies what the 'real' base port is (when asked to enable + * the device). Also the function is used only to disable the device while its + * true base port is programmed (see lpc47n227_enable_serial() below). + * + * @param dev High 8 bits = Super I/O port, low 8 bits = logical device number. + * @param enable 0 to disable, anythig else to enable. + */ void lpc47n227_pnp_set_enable(device_t dev, int enable) { uint8_t power_register = 0; @@ -128,20 +122,19 @@ void lpc47n227_pnp_set_enable(device_t dev, int enable) pnp_write_config(dev, power_register, new_power); } -//---------------------------------------------------------------------------------- -// Function: lpc47n227_enable_serial -// Parameters: dev - high 8 bits = Super I/O port, -// low 8 bits = logical device number (per lpc47n227.h) -// iobase - processor I/O port address to assign to this serial device -// Return Value: bool -// Description: Configure the base I/O port of the specified serial device -// and enable the serial device. -// +/** + * Configure the base I/O port of the specified serial device and enable the + * serial device. + * + * @param dev High 8 bits = Super I/O port, low 8 bits = logical device number. + * @param iobase Processor I/O port address to assign to this serial device. + */ static void lpc47n227_enable_serial(device_t dev, unsigned iobase) { - // 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. + */ pnp_enter_conf_state(dev); lpc47n227_pnp_set_enable(dev, 0); lpc47n227_pnp_set_iobase(dev, iobase); 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); } - |