diff options
Diffstat (limited to 'src/superio/smsc')
| -rw-r--r-- | src/superio/smsc/lpc47b272/lpc47b272_early_serial.c | 28 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47b272/superio.c | 74 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c | 28 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m10x/superio.c | 74 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47n217/lpc47n217_early_serial.c | 70 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47n217/superio.c | 91 | ||||
| -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 |
9 files changed, 210 insertions, 336 deletions
diff --git a/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c b/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c index c1f15bf25e..0c31b3a935 100644 --- a/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c +++ b/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c @@ -23,38 +23,26 @@ #include <arch/romcc_io.h> #include "lpc47b272.h" -/* - * Function: pnp_enter_conf_state - * Parameters: dev - high 8 bits = Super I/O port - * Return Value: None - * Description: Enable access to the LPC47B272's configuration registers. - */ +/** Enable access to the LPC47B272's configuration registers. */ 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 LPC47B272's configuration registers. - */ +/** Disable access to the LPC47B272's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { unsigned port = dev>>8; outb(0xaa, port); } -/* - * Function: lpc47b272_enable_serial - * Parameters: dev - high 8 bits = Super I/O port, - * low 8 bits = logical device number (per lpc47b272.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 lpc47b272_enable_serial(device_t dev, unsigned iobase) { diff --git a/src/superio/smsc/lpc47b272/superio.c b/src/superio/smsc/lpc47b272/superio.c index 6222a3d3fb..77fadd8a85 100644 --- a/src/superio/smsc/lpc47b272/superio.c +++ b/src/superio/smsc/lpc47b272/superio.c @@ -69,30 +69,23 @@ static struct pnp_info pnp_dev_info[] = { { &ops, LPC47B272_RT, PNP_IO0, { 0x780, 0 }, }, }; -/**********************************************************************************/ -/* 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_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); } -/* - * Function: lpc47b272_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 allocated for it. +/** + * Configure the specified Super I/O device with the resources (I/O space, + * etc.) that have been allocated for it. + * + * @param dev Pointer to structure describing a Super I/O device. */ static void lpc47b272_pnp_set_resources(device_t dev) { @@ -122,13 +115,13 @@ static void lpc47b272_pnp_enable(device_t dev) pnp_exit_conf_state(dev); } -/* - * Function: lpc47b272_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 the 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 the 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 lpc47b272_init(device_t dev) { @@ -157,40 +150,25 @@ static void lpc47b272_init(device_t dev) } } -/**********************************************************************************/ -/* PRIVATE FUNCTIONS */ -/**********************************************************************************/ - -/* - * Function: pnp_enter_conf_state - * Parameters: dev - pointer to structure describing a Super I/O device - * Return Value: None - * Description: Enable access to the LPC47B272's configuration registers. - */ +/** Enable access to the LPC47B272'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 LPC47B272's configuration registers. - */ +/** Disable access to the LPC47B272's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { outb(0xaa, dev->path.pnp.port); } #if 0 -/* - * Function: dump_pnp_device - * Parameters: dev - pointer to structure describing a Super I/O device - * Return Value: None - * Description: Print the values of all of the LPC47B272's configuration registers. - * NOTE: The LPC47B272 must be in configuration mode when this - * function is called. +/** + * Print the values of all of the LPC47B272's configuration registers. + * + * NOTE: The LPC47B272 must be in config mode when this function is called. + * + * @param dev Pointer to structure describing a Super I/O device. */ static void dump_pnp_device(device_t dev) { diff --git a/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c b/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c index 048a8d314d..e2aa63ab94 100644 --- a/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c +++ b/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c @@ -22,38 +22,26 @@ #include <arch/romcc_io.h> #include "lpc47m10x.h" -/* - * Function: pnp_enter_conf_state - * Parameters: dev - high 8 bits = Super I/O port - * Return Value: None - * Description: Enable access to the LPC47M10X2's configuration registers. - */ +/** Enable access to the LPC47M10X2's configuration registers. */ 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 LPC47M10X2's configuration registers. - */ +/** Disable access to the LPC47M10X2's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { unsigned port = dev>>8; outb(0xaa, port); } -/* - * Function: lpc47m10x_enable_serial - * Parameters: dev - high 8 bits = Super I/O port, - * low 8 bits = logical device number (per lpc47m10x.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 lpc47m10x_enable_serial(device_t dev, unsigned iobase) { diff --git a/src/superio/smsc/lpc47m10x/superio.c b/src/superio/smsc/lpc47m10x/superio.c index ea8cdc1f7d..2288ec9d15 100644 --- a/src/superio/smsc/lpc47m10x/superio.c +++ b/src/superio/smsc/lpc47m10x/superio.c @@ -67,30 +67,23 @@ static struct pnp_info pnp_dev_info[] = { { &ops, LPC47M10X2_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 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_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); } -/* - * Function: lpc47m10x_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 allocated for it. +/** + * Configure the specified Super I/O device with the resources (I/O space, + * etc.) that have been allocated for it. + * + * @param dev Pointer to structure describing a Super I/O device. */ static void lpc47m10x_pnp_set_resources(device_t dev) { @@ -120,13 +113,13 @@ static void lpc47m10x_pnp_enable(device_t dev) pnp_exit_conf_state(dev); } -/* - * Function: lpc47m10x_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 the 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 the 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 lpc47m10x_init(device_t dev) { @@ -155,40 +148,25 @@ static void lpc47m10x_init(device_t dev) } } -/**********************************************************************************/ -/* PRIVATE FUNCTIONS */ -/**********************************************************************************/ - -/* - * Function: pnp_enter_conf_state - * Parameters: dev - pointer to structure describing a Super I/O device - * Return Value: None - * Description: Enable access to the LPC47M10X2's configuration registers. - */ +/** Enable access to the LPC47M10X2'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 LPC47M10X2's configuration registers. - */ +/** Disable access to the LPC47M10X2's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { outb(0xaa, dev->path.pnp.port); } #if 0 -/* - * Function: dump_pnp_device - * Parameters: dev - pointer to structure describing a Super I/O device - * Return Value: None - * Description: Print the values of all of the LPC47M10X2's configuration registers. - * NOTE: The LPC47M10X2 must be in configuration mode when this - * function is called. +/** + * Print the values of all of the LPC47M10X2's configuration registers. + * + * NOTE: The LPC47M10X2 must be in config mode when this function is called. + * + * @param dev Pointer to structure describing a Super I/O device. */ static void dump_pnp_device(device_t dev) { diff --git a/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c b/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c index 2b0c634bcf..34f2c4512b 100644 --- a/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c +++ b/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c @@ -24,38 +24,25 @@ #include <assert.h> #include "lpc47n217.h" -/* - * Function: pnp_enter_conf_state - * Parameters: dev - high 8 bits = Super I/O port - * Return Value: None - * Description: Enable access to the LPC47N217's configuration registers. - */ +/** Enable access to the LPC47N217's configuration registers. */ 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 LPC47N217's configuration registers. - */ +/** Disable access to the LPC47N217's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { unsigned port = dev>>8; outb(0xaa, port); } -/* - * Function: lpc47n217_pnp_set_iobase - * Parameters: dev - high 8 bits = Super I/O port, - * low 8 bits = logical device number (per lpc47n217.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 lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase) { @@ -80,19 +67,17 @@ void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase) } } -/* - * Function: lpc47n217_pnp_set_enable - * Parameters: dev - high 8 bits = Super I/O port, - * low 8 bits = logical device number (per lpc47n217.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 lpc47n217_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 lpc47n217_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 lpc47n217_pnp_set_enable(device_t dev, int enable) { @@ -130,20 +115,19 @@ void lpc47n217_pnp_set_enable(device_t dev, int enable) pnp_write_config(dev, power_register, new_power); } -/* - * Function: lpc47n217_enable_serial - * Parameters: dev - high 8 bits = Super I/O port, - * low 8 bits = logical device number (per lpc47n217.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 lpc47n217_enable_serial(device_t dev, unsigned iobase) { - /* NOTE: Cannot use pnp_set_XXX() here because they assume chip - * support for logical devices, which the LPC47N217 doesn't have*/ - + /* + * NOTE: Cannot use pnp_set_XXX() here because they assume chip + * support for logical devices, which the LPC47N217 doesn't have. + */ pnp_enter_conf_state(dev); lpc47n217_pnp_set_enable(dev, 0); lpc47n217_pnp_set_iobase(dev, iobase); diff --git a/src/superio/smsc/lpc47n217/superio.c b/src/superio/smsc/lpc47n217/superio.c index 085331eaa7..95277cd42c 100644 --- a/src/superio/smsc/lpc47n217/superio.c +++ b/src/superio/smsc/lpc47n217/superio.c @@ -72,30 +72,23 @@ static struct pnp_info pnp_dev_info[] = { { &ops, LPC47N217_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, } }; -/**********************************************************************************/ -/* 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_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); } -/* - * Function: lpc47n217_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. */ static void lpc47n217_pnp_set_resources(device_t dev) { @@ -118,8 +111,9 @@ static void lpc47n217_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 LPC47N217 doesn't have + /* + * NOTE: Cannot use pnp_enable_resources() here because it assumes chip + * support for logical devices, which the LPC47N217 doesn't have. */ lpc47n217_pnp_set_enable(dev, 1); @@ -130,10 +124,10 @@ static void lpc47n217_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 LPC47N217 doesn't have + /* + * NOTE: Cannot use pnp_set_enable() here because it assumes chip + * support for logical devices, which the LPC47N217 doesn't have. */ - if(dev->enabled) { lpc47n217_pnp_set_enable(dev, 1); } @@ -144,13 +138,13 @@ static void lpc47n217_pnp_enable(device_t dev) pnp_exit_conf_state(dev); } -/* - * Function: lpc47n217_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 are ignored. - * For COM ports, we configure the baud rate. +/** + * Initialize the specified Super I/O device. + * + * Devices other than COM ports are ignored. For COM ports, we configure the + * baud rate. + * + * @param dev Pointer to structure describing a Super I/O device. */ static void lpc47n217_init(device_t dev) { @@ -173,10 +167,6 @@ static void lpc47n217_init(device_t dev) } } -/**********************************************************************************/ -/* PRIVATE FUNCTIONS */ -/**********************************************************************************/ - static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource) { if (!(resource->flags & IORESOURCE_ASSIGNED)) { @@ -186,10 +176,10 @@ static void lpc47n217_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 LPC47N217 doesn't have + /* + * NOTE: Cannot use pnp_set_XXX() here because they assume chip + * support for logical devices, which the LPC47N217 doesn't have. */ - if (resource->flags & IORESOURCE_IO) { lpc47n217_pnp_set_iobase(dev, resource->base); } @@ -327,36 +317,25 @@ static void lpc47n217_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 LPC47N217's configuration registers. - */ +/** Enable access to the LPC47N217'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 LPC47N217's configuration registers. - */ +/** Disable access to the LPC47N217's configuration registers. */ static void pnp_exit_conf_state(device_t dev) { outb(0xaa, dev->path.pnp.port); } #if 0 -/* - * Function: dump_pnp_device - * Parameters: dev - pointer to structure describing a Super I/O device - * Return Value: None - * Description: Print the values of all of the LPC47N217's configuration registers. - * NOTE: The LPC47N217 must be in configuration mode when this - * function is called. +/** + * Print the values of all of the LPC47N217's configuration registers. + * + * NOTE: The LPC47N217 must be in config mode when this function is called. + * + * @param dev Pointer to structure describing a Super I/O device. */ static void dump_pnp_device(device_t dev) { 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); } - |