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x86: superio: Add keyboard controller support to smsc_lpc47m driver
Add an api to enable and configure the integrated keyboard controller on SMSC LPC47m superio chipset. It also adds several macros to help future extension. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
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@ -24,4 +24,7 @@
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#define UART0_IRQ 4
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#define UART0_IRQ 4
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#define UART1_IRQ 3
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#define UART1_IRQ 3
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#define KBD_IRQ 1
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#define MSE_IRQ 12
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#endif
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#endif
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@ -22,7 +22,7 @@ static void pnp_exit_conf_state(u16 dev)
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outb(0xaa, port);
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outb(0xaa, port);
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}
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}
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void lpc47m_enable_serial(u16 dev, u16 iobase, u8 irq)
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void lpc47m_enable_serial(uint dev, uint iobase, uint irq)
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{
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{
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pnp_enter_conf_state(dev);
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pnp_enter_conf_state(dev);
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pnp_set_logical_device(dev);
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pnp_set_logical_device(dev);
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@ -32,3 +32,14 @@ void lpc47m_enable_serial(u16 dev, u16 iobase, u8 irq)
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pnp_set_enable(dev, 1);
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pnp_set_enable(dev, 1);
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pnp_exit_conf_state(dev);
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pnp_exit_conf_state(dev);
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}
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}
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void lpc47m_enable_kbc(uint dev, uint irq0, uint irq1)
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{
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pnp_enter_conf_state(dev);
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 0);
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pnp_set_irq(dev, PNP_IDX_IRQ0, irq0);
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pnp_set_irq(dev, PNP_IDX_IRQ1, irq1);
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pnp_set_enable(dev, 1);
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pnp_exit_conf_state(dev);
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}
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@ -7,14 +7,35 @@
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#ifndef _SMSC_LPC47M_H_
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#ifndef _SMSC_LPC47M_H_
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#define _SMSC_LPC47M_H_
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#define _SMSC_LPC47M_H_
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/* I/O address of LPC47M */
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#define LPC47M_IO_PORT 0x2e
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/* Logical device number */
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#define LPC47M_FDC 0 /* Floppy */
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#define LPC47M_SP2 2 /* Serial Port 2 */
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#define LPC47M_PP 3 /* Parallel Port */
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#define LPC47M_SP1 4 /* Serial Port 1 */
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#define LPC47M_KBC 7 /* Keyboard & Mouse */
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#define LPC47M_PME 10 /* Power Control */
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/**
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/**
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* Configure the base I/O port of the specified serial device and enable the
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* Configure the base I/O port of the specified serial device and enable the
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* serial device.
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* serial device.
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*
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*
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* @dev: High 8 bits = Super I/O port, low 8 bits = logical device number.
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* @dev: high 8 bits = super I/O port, low 8 bits = logical device number
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* @iobase: Processor I/O port address to assign to this serial device.
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* @iobase: processor I/O port address to assign to this serial device
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* @irq: Processor IRQ number to assign to this serial device.
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* @irq: processor IRQ number to assign to this serial device
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*/
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*/
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void lpc47m_enable_serial(u16 dev, u16 iobase, u8 irq);
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void lpc47m_enable_serial(uint dev, uint iobase, uint irq);
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/**
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* Configure the specified keyboard controller device and enable the keyboard
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* controller device.
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*
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* @dev: high 8 bits = Super I/O port, low 8 bits = logical device number
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* @irq0: processor IRQ number to assign to keyboard
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* @irq1: processor IRQ number to assign to mouse
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*/
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void lpc47m_enable_kbc(uint dev, uint irq0, uint irq1);
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#endif /* _SMSC_LPC47M_H_ */
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#endif /* _SMSC_LPC47M_H_ */
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