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/*
*
* Copyright (C) 2007 Advanced Micro Devices
*
*/
#ifndef CPU_AMD_VR_H
#define CPU_AMD_VR_H
#include <stdint.h>
#define VRC_INDEX 0xAC1C // Index register
#define VRC_DATA 0xAC1E // Data register
#define VR_UNLOCK 0xFC53 // Virtual register unlock code
#define NO_VR -1 // No virtual registers
#define VRC_MISCELLANEOUS 0x00 // Miscellaneous Class
#define VSA_VERSION_NUM 0x00
#define HIGH_MEM_ACCESS 0x01
#define GET_VSM_INFO 0x02 // Used by INFO
#define GET_BASICS 0x00
#define GET_EVENT 0x01
#define GET_STATISTICS 0x02
#define GET_HISTORY 0x03
#define GET_HARDWARE 0x04
#define GET_ERROR 0x05
#define SET_VSM_TYPE 0x06
#define SIGNATURE 0x03
#define VSA2_SIGNATURE 0x56534132 // 'VSA2' returned in EAX
#define GET_HW_INFO 0x04
#define VSM_VERSION 0x05
#define CTRL_ALT_DEL 0x06
#define MSR_ACCESS 0x07
#define GET_DESCR_INFO 0x08
#define PCI_INT_AB 0x09 // GPIO pins for INTA# and INTB#
#define PCI_INT_CD 0x0A // GPIO pins for INTC# and INTD#
#define WATCHDOG 0x0B // Watchdog timer
#define MAX_MISC WATCHDOG
// NOTE: Do not change the order of the following registers:
#define VRC_AUDIO 0x01 // XpressAudio Class
#define AUDIO_VERSION 0x00
#define PM_STATE 0x01
#define SB_16_IO_BASE 0x02
#define MIDI_BASE 0x03
#define CPU_USAGE 0x04
#define CODEC_TYPE 0x05
#define STATE_INDEX 0x06
#define STATE_DATA 0x07
#define AUDIO_IRQ 0x08 // For use by native audio drivers
#define STATUS_PTR 0x09 // For use by native audio drivers
#define MAX_AUDIO STATUS_PTR
#define VRC_VG 0x02 // SoftVG Class
#define VRC_VGA 0x02 // SoftVGA Class
#define VG_MEM_SIZE 0x00 // bits 7:0 - 512K unit size, bit 8 controller priority
#define VG_CONFIG 0x00 // Main configuration register
#define VG_CFG_BYPASS 0x0001 // DOTPLL bypass bit
#define VG_MEM_MASK 0x00FE // Memory size mask bits, 2MB increment
#define VG_CFG_DSMASK 0x0700 // Active display mask bits
#define VG_CFG_DSCRT 0x0000 // Active display is CRT
#define VG_CFG_DSPAN 0x0100 // Active display is panel
#define VG_CFG_DSTV 0x0200 // Active display is TV
#define VG_CFG_DSSIM 0x0400 // Simultaneous CRT
#define VG_CFG_PRIORITY 0x0800 // Controller priority bit
#define VG_CFG_MONO 0x1000 // External monochrome card support bit
#define VG_CFG_DRIVER 0x2000 // Driver active bit
#define VG_CRTC_DIAG 0x8000 // Enable CRTC emulation
// Defined for GX3/GX3VG
#define VG_REFRESH 0x01 // Mode refresh, a mode switch without changing modes
#define VG_FRSH_REF_MASK 0xE000 // Refresh rate mask
#define VG_FRSH_REF_GO 0x1000 // Refresh rate GO bit
// Uses CFP_REF_xxx values from below
#define VG_FRSH_BPP_MASK 0x0E00 // Color depth mask
#define VG_FRSH_BPP_GO 0x0100 // Color depth GO bit
#define FRSH_BPP_8RGB 0x0200 // 8 bits per pixel, RGB
#define FRSH_BPP_16ARGB 0x0400 // 16BPP, ARGB (4:4:4:4)
#define FRSH_BPP_15RGB 0x0600 // 15BPP, RGB (1:5:5:5)
#define FRSH_BPP_16RGB 0x0800 // 16BPP, RGB (5:6:5)
#define FRSH_BPP_24RGB 0x0A00 // 24BPP, RGB (0:8:8:8)
#define FRSH_BPP_32ARGB 0x0C00 // 32BPP, ARGB (8:8:8:8)
#define VG_CFG_DPMS 0x00C0 // DPMS mask bits
#define VG_CFG_DPMS_H 0x0040 // HSYNC mask bit
#define VG_CFG_DPMS_V 0x0080 // VSYNC mask bit
#define VG_VESA_SV_RST 0x0020 // VESA Save/Restore state flag
#define VG_VESA_RST 0x0000 // VESA Restore state
#define VG_VESA_SV 0x0020 // VESA Save state
#define VG_FRSH_MODE 0x0002 // Mode refresh flag
#define VG_FRSH_TIMINGS 0x0001 // Timings only refresh flag
// Defined for GX2/SoftVG
#define VG_PLL_REF 0x01 // PLL reference frequency selection register
#define PLL_14MHZ 0x0000 // 14.31818MHz PLL reference frequency (Default)
#define PLL_48MHZ 0x0100 // 48MHz PLL reference frequency
// Defined for GX1/SoftVGA
#define VGA_MEM_SIZE 0x01 // bits 7:1 - 128K unit size, bit 0 controller enable
#define VG_FP_TYPE 0x02 // Flat panel type data
// VG_FP_TYPE definitions for GX2/SoftVG
#define FP_TYPE_SSTN 0x0000 // SSTN panel type value
#define FP_TYPE_DSTN 0x0001 // DSTN panel type value
#define FP_TYPE_TFT 0x0002 // TFT panel type value
#define FP_TYPE_LVDS 0x0003 // LVDS panel type value
#define FP_RES_6X4 0x0000 // 640x480 resolution value
#define FP_RES_8X6 0x0008 // 800x600 resolution value
#define FP_RES_10X7 0x0010 // 1024x768 resolution value
#define FP_RES_11X8 0x0018 // 1152x864 resolution value
#define FP_RES_12X10 0x0020 // 1280x1024 resolution value
#define FP_RES_16X12 0x0028 // 1600x1200 resolution value
#define FP_WIDTH_8 0x0000 // 8 bit data bus width
#define FP_WIDTH_9 0x0040 // 9 bit data bus width
#define FP_WIDTH_12 0x0080 // 12 bit data bus width
#define FP_WIDTH_18 0x00C0 // 18 bit data bus width
#define FP_WIDTH_24 0x0100 // 24 bit data bus width
#define FP_WIDTH_16 0x0140 // 16 bit data bus width - 16 bit Mono DSTN only
#define FP_COLOR_COLOR 0x0000 // Color panel
#define FP_COLOR_MONO 0x0200 // Mono Panel
#define FP_PPC_1PPC 0x0000 // One pixel per clock
#define FP_PPC_2PPC 0x0400 // Two pixels per clock
#define FP_H_POL_LGH 0x0000 // HSync at panel, normally low, active high
#define FP_H_POL_HGL 0x0800 // HSync at panel, normally high, active low
#define FP_V_POL_LGH 0x0000 // VSync at panel, normally low, active high
#define FP_V_POL_HGL 0x1000 // VSync at panel, normally high, active low
#define FP_REF_60 0x0000 // 60Hz refresh rate
#define FP_REF_65 0x2000 // 65Hz refresh rate
#define FP_REF_70 0x4000 // 70Hz refresh rate
#define FP_REF_72 0x6000 // 72Hz refresh rate
#define FP_REF_75 0x8000 // 75Hz refresh rate
#define FP_REF_85 0xA000 // 85Hz refresh rate
// VG_FP_TYPE definitions for GX3/GX3VG
#define FP_TYPE_TYPE 0x0003 // Flat panel type bits mask
#define CFP_TYPE_TFT 0x0000 // TFT panel type value
#define CFP_TYPE_LVDS 0x0001 // LVDS panel type value
#define FP_TYPE_RES 0x0038 // Panel resolution bits mask
#define CFP_RES_3X2 0x0000 // 320x240 resolution value
#define CFP_RES_6X4 0x0008 // 640x480 resolution value
#define CFP_RES_8X6 0x0010 // 800x600 resolution value
#define CFP_RES_10X7 0x0018 // 1024x768 resolution value
#define CFP_RES_11X8 0x0020 // 1152x864 resolution value
#define CFP_RES_12X10 0x0028 // 1280x1024 resolution value
#define CFP_RES_16X12 0x0030 // 1600x1200 resolution value
#define FP_TYPE_BUS 0x00C0 // Data bus width and pixels/clock mask
#define CFP_BUS_1PPC 0x0040 // 9, 12, 18 or 24 bit data bus, 1 pixel per clock
#define CFP_BUS_2PPC 0x0080 // 18 or 24 bit data bus, 2 pixels per clock
#define FP_TYPE_HPOL 0x0800 // HSYNC polarity into the panel
#define CFP_HPOL_HGL 0x0000 // HSync at panel, normally high, active low
#define CFP_HPOL_LGH 0x0800 // HSync at panel, normally low, active high
#define FP_TYPE_VPOL 0x1000 // VSYNC polarity into the panel
#define CFP_VPOL_HGL 0x0000 // VSync at panel, normally high, active low
#define CFP_VPOL_LGH 0x1000 // VSync at panel, normally low, active high
#define FP_TYPE_REF 0xE000 // Panel refresh rate
#define CFP_REF_60 0x0000 // 60Hz refresh rate
#define CFP_REF_70 0x2000 // 70Hz refresh rate
#define CFP_REF_75 0x4000 // 75Hz refresh rate
#define CFP_REF_85 0x6000 // 85Hz refresh rate
#define CFP_REF_100 0x8000 // 100Hz refresh rate
#define VG_FP_OPTION 0x03 // Flat panel option data
#define FP_OPT_SCLK_NORMAL 0x0000 // SHFTClk not inverted to panel
#define FP_OPT_SCLK_INVERTED 0x0010 // SHFTClk inverted to panel
#define FP_OPT_SCLK_ACT_ACTIVE 0x0000 // SHFTClk active during "active" only
#define FP_OPT_SCLK_ACT_FREE 0x0020 // SHFTClk free-running
#define FP_OPT_LP_ACT_FREE 0x0000 // LP free-running
#define FP_OPT_LP_ACT_ACTIVE 0x0040 // LP active during "active" only
#define FP_OPT_LDE_POL_LGH 0x0000 // LDE/MOD, normally low, active high
#define FP_OPT_LDE_POL_HGL 0x0080 // LDE/MOD, normally high, active low
#define FP_OPT_PWR_DLY_32MS 0x0000 // 32MS delay for each step of pwr seq.
#define FP_OPT_PWR_DLY_128MS 0x0100 // 128MS delay for each step of pwr seq.
#define VG_TV_CONFIG 0x04 // TV configuration register
#define VG_TV_ENC 0x000F // TV encoder select mask
#define VG_TV_ADV7171 0x0000 // ADV7171 Encoder
#define VG_TV_SAA7127 0x0001 // ADV7171 Encoder
#define VG_TV_ADV7300 0x0002 // ADV7300 Encoder
#define VG_TV_FS454 0x0003 // FS454 Encoder
#define VG_TV_FMT 0x0070 // TV encoder output format mask
#define VG_TV_FMT_SHIFT 0x0004 // Right shift value
#define VG_TV_NTSC 0x0000 // NTSC output format
#define VG_TV_PAL 0x0010 // PAL output format
#define VG_TV_HDTV 0x0020 // HDTV output format
// The meaning of the VG_TV_RES field is dependent on the selected
// encoder and output format. The translations are:
// ADV7171 - Not Used
// SAA7127 - Not Used
// ADV7300 - HDTV resolutions only
// LO -> 720x480p
// MED -> 1280x720p
// HI -> 1920x1080i
// FS454 - Both SD and HD resolutions
// SD Resolutions - NTSC and PAL
// LO -> 640x480
// MED -> 800x600
// HI -> 1024x768
// HD Resolutions
// LO -> 720x480p
// MED -> 1280x720p
// HI -> 1920x1080i
#define VG_TV_RES 0x0780 // TV resolution select mask
#define VG_TV_RES_SHIFT 0x0007 // Right shift value
#define VG_TV_RES_LO 0x0000 // Low resolution
#define VG_TV_RES_MED 0x0080 // Medium resolution
#define VG_TV_RES_HI 0x0100 // High resolution
#define VG_TV_PASSTHRU 0x0800 // TV passthru mode
#define VG_TV_SCALE_ADJ 0x05 // Modifies scaling factors for TV resolutions
#define VG_TV_HACT_ADJ 0x00FF // Horizontal active scale adjust value mask
#define VG_TV_VACT_ADJ 0xFF00 // Vertical active scale adjust value mask
#define VG_DEBUG 0x0F // A debug register
#define VG_FT_HTOT 0x10 // Fixed timings, horizontal total
#define VG_FT_HACT 0x11 // Fixed timings, horizontal active
#define VG_FT_HBST 0x12 // Fixed timings, horizontal blank start
#define VG_FT_HBND 0x13 // Fixed timings, horizontal blank end
#define VG_FT_HSST 0x14 // Fixed timings, horizontal sync start
#define VG_FT_HSND 0x15 // Fixed timings, horizontal sync end
#define VG_FT_VTOT 0x16 // Fixed timings, vertical total
#define VG_FT_VACT 0x17 // Fixed timings, vertical active
#define VG_FT_VBST 0x18 // Fixed timings, vertical blank start
#define VG_FT_VBND 0x19 // Fixed timings, vertical blank end
#define VG_FT_VSST 0x1A // Fixed timings, vertical sync start
#define VG_FT_VSND 0x1B // Fixed timings, vertical sync end
#define VG_START_OFFS_LO 0x20 // Framebuffer start offset bits 15:0
#define VG_START_OFFS_HI 0x21 // Framebuffer start offset bits 27:16
#define VG_FT_VEACT 0x28 // Fixed timings, vertical active
#define VG_FT_VETOT 0x29 // Fixed timings, vertical total
#define VG_FT_VEBST 0x2A // Fixed timings, vertical blank start
#define VG_FT_VEBND 0x2B // Fixed timings, vertical blank end
#define VG_FT_VESST 0x2C // Fixed timings, vertical sync start
#define VG_FT_VESND 0x2D // Fixed timings, vertical sync end
#define MAX_VGA VGA_MEM_SIZE
// #define MAX_VG VG_FP_OPTION
// #define MAX_VG VG_START_OFFS_HI
#define MAX_VG VG_FT_VESND
#define VRC_APM 0x03
#define REPORT_EVENT 0x00
#define CAPABILITIES 0x01
#define APM_PRESENT 0x02
#define MAX_APM APM_PRESENT
#define VRC_PM 0x04 // Legacy PM Class
#define POWER_MODE 0x00
#define POWER_STATE 0x01
#define DOZE_TIMEOUT 0x02
#define STANDBY_TIMEOUT 0x03
#define SUSPEND_TIMEOUT 0x04
#define PS2_TIMEOUT 0x05
#define RESUME_ON_RING 0x06
#define VIDEO_TIMEOUT 0x07
#define DISK_TIMEOUT 0x08
#define FLOPPY_TIMEOUT 0x09
#define SERIAL_TIMEOUT 0x0A
#define PARALLEL_TIMEOUT 0x0B
#define IRQ_WAKEUP_MASK 0x0C
// #define SUSPEND_MODULATION 0x0D
#define SLEEP_PIN 0x0E
#define SLEEP_PIN_ATTR 0x0F
// #define SMI_WAKEUP_MASK 0x10
#define INACTIVITY_CONTROL 0x11
#define PM_S1_CLOCKS 0x12
#define S1_CLOCKS_ON 0x00
#define S1_CLOCKS_OFF 0x01
// #define PM_S2_CLOCKS 0x13
// #define PM_S3_CLOCKS 0x14
// #define PM_S4_CLOCKS 0x15
// #define PM_S5_CLOCKS 0x16
#define PM_S0_LED 0x17
#define PM_S1_LED 0x18
#define PM_S2_LED 0x19
#define PM_S3_LED 0x1A
#define PM_S4_LED 0x1B
#define PM_S5_LED 0x1C
#define PM_LED_GPIO 0x1D
#define PM_IMM_LED 0x1E
#define PM_PWR_LEDS 0x1F
#define MB_LED0 0x01
#define MB_LED1 0x02
#define MB_LED2 0x04
#define MB_LED3 0x08
#define SIO_LED0 0x10
#define SIO_LED1 0x20
#define SIO_LED2 0x40
#define SIO_LED3 0x80
#define PM_PME_MASK 0x20
#define MAX_PM PM_PME_MASK
#define VRC_INFRARED 0x05
#define MAX_INFRARED NO_VR
#define VRC_TV 0x06 // TV Encoder Class
#define TV_ENCODER_TYPE 0x00
#define TV_CALLBACK_MASK 0x01
#define TV_MODE 0x02
#define TV_POSITION 0x03
#define TV_BRIGHTNESS 0x04
#define TV_CONTRAST 0x05
#define TV_OUTPUT 0x06
#define TV_TIMING 0x10 // 0x10...0x1D are all timings
#define MAX_TV TV_TIMING
#define VRC_EXTERNAL_AMP 0x07
#define EAPD_VERSION 0x00
#define AMP_POWER 0x01
#define AMP_OFF 0x00
#define AMP_ON 0x01
#define AMP_TYPE 0x02
#define MAX_EXTERNAL_AMP AMP_TYPE
#define VRC_ACPI 0x08
#define ENABLE_ACPI 0x00 // Enable ACPI Mode
#define SCI_IRQ 0x01 // Set the IRQ the SCI is mapped to, sysbios use.
#define ACPINVS_LO 0x02 // new calls to send 32bit physAddress of
#define ACPINVS_HI 0x03 // ACPI NVS region to VSA
#define GLOBAL_LOCK 0x04 // read requests semaphore, write clears
#define ACPI_UNUSED1 0x05
#define RW_PIRQ 0x06 // read/write PCI IRQ router regs in SB Func0 cfg space
#define SLPB_CLEAR 0x07 // clear sleep button GPIO status's
#define PIRQ_ROUTING 0x08 // read the PCI IRQ routing based on BIOS setup
#define ACPI_UNUSED2 0x09
#define ACPI_UNUSED3 0x0A
#define PIC_INTERRUPT 0x0B
#define ACPI_PRESENT 0x0C
#define ACPI_GEN_COMMAND 0x0D
#define ACPI_GEN_PARAM1 0x0E
#define ACPI_GEN_PARAM2 0x0F
#define ACPI_GEN_PARAM3 0x10
#define ACPI_GEN_RETVAL 0x11
#define MAX_ACPI ACPI_GEN_RETVAL
#define VRC_ACPI_OEM 0x09
#define MAX_ACPI_OEM NO_VR
#define VRC_POWER 0x0A
#define BATTERY_UNITS 0x00 // No. battery units
#define BATTERY_SELECT 0x01
#define AC_STATUS 0x02
#define BATTERY_STATUS 0x03
#define BATTERY_FLAG 0x04
#define BATTERY_PERCENTAGE 0x05
#define BATTERY_TIME 0x06
#define MAX_POWER BATTERY_TIME
#define VRC_OHCI 0x0B // OHCI Class
#define SET_LED 0x00
#define INIT_OHCI 0x01
#define MAX_OHCI INIT_OHCI
#define VRC_KEYBOARD 0x0C // Kbd Controller Class
#define KEYBOARD_PRESENT 0x00
#define SCANCODE 0x01
#define MOUSE_PRESENT 0x02
#define MOUSE_BUTTONS 0x03
#define MOUSE_XY 0x04
#define MAX_KEYBOARD MOUSE_XY
#define VRC_DDC 0x0D // Video DDC Class
#define VRC_DDC_ENABLE 0x00 // Enable/disable register
#define DDC_DISABLE 0x00
#define DDC_ENABLE 0x01
#define VRC_DDC_IO 0x01 // A non-zero value for safety
#define MAX_DDC VRC_DDC_IO
#define VRC_DEBUGGER 0x0E
#define MAX_DEBUGGER NO_VR
#define VRC_STR 0x0F // Virtual Register class
#define RESTORE_ADDR 0x00 // Physical address of MSR restore table
#define VRC_COP8 0x10 // Virtual Register class
#define VRC_HIB_ENABLE 0x00 // HIB enable/disable index
#define HIB_ENABLE 0x00 // HIB enable command
#define HIB_DISABLE 0x01 // HIB disable command
#define VRC_HIB_SEND 0x01 // Send packet to COP8
#define VRC_HIB_READUART 0x02 // Read byte from COP8 UART
#define VRC_HIB_VERSION 0x03 // Read COP8 version
#define VRC_HIB_SERIAL 0x04 // Read 8 byte serial number
#define VRC_HIB_USRBTN 0x05 // Read POST button pressed status
#define MAX_COP8 NO_VR
#define VRC_OWL 0x11 // Virtual Register class
#define VRC_OWL_DAC 0x00 // DAC (Backlight) Control
#define VRC_OWL_GPIO 0x01 // GPIO Control
#define MAX_OWL VRC_OWL_GPIO
#define VRC_SYSINFO 0x12 // Virtual Register class
#define VRC_SI_VERSION 0x00 // Sysinfo VSM version
#define VRC_SI_CPU_MHZ 0x01 // CPU speed in MHZ
#define VRC_SI_CHIPSET_BASE_LOW 0x02
#define VRC_SI_CHIPSET_BASE_HI 0x03
#define VRC_SI_CHIPSET_ID 0x04
#define VRC_SI_CHIPSET_REV 0x05
#define VRC_SI_CPU_ID 0x06
#define VRC_SI_CPU_REV 0x07
#define MAX_SYSINFO VRC_SI_CPU_REV
#define VRC_SUPERIO 0x13
#define VRC_SIO_CHIPID 0x00
#define VRC_SIO_NUMLD 0x01
#define VRC_SIO_FDCEN 0x02
#define VRC_SIO_FDCIO 0x03
#define VRC_SIO_FDCIRQ 0x04
#define VRC_SIO_FDCDMA 0x05
#define VRC_SIO_FDCCFG1 0x06
#define VRC_SIO_FDCCFG2 0x07
#define VRC_SIO_PP1EN 0x08
#define VRC_SIO_PP1IO 0x09
#define VRC_SIO_PP1IRQ 0x0A
#define VRC_SIO_PP1DMA 0x0B
#define VRC_SIO_PP1CFG1 0x0C
#define VRC_SIO_SP1EN 0x0D
#define VRC_SIO_SP1IO 0x0E
#define VRC_SIO_SP1IRQ 0x0F
#define VRC_SIO_SP1CFG1 0x10
#define VRC_SIO_SP2EN 0x11
#define VRC_SIO_SP2IO 0x12
#define VRC_SIO_SP2IRQ 0x13
#define VRC_SIO_SP2CFG1 0x14
#define VRC_SIO_KBEN 0x15
#define VRC_SIO_KBIO1 0x16
#define VRC_SIO_KBIO2 0x17
#define VRC_SIO_KBIRQ 0x18
#define VRC_SIO_KBCFG1 0x19
#define VRC_SIO_MSEN 0x1A
#define VRC_SIO_MSIO 0x1B
#define VRC_SIO_MSIRQ 0x1C
#define VRC_SIO_RTCEN 0x1D
#define VRC_SIO_RTCIO1 0x1E
#define VRC_SIO_RTCIO2 0x1F
#define VRC_SIO_RTCIRQ 0x20
#define VRC_SIO_RTCCFG1 0x21
#define VRC_SIO_RTCCFG2 0x22
#define VRC_SIO_RTCCFG3 0x23
#define VRC_SIO_RTCCFG4 0x24
#define MAX_SUPERIO VRC_SIO_RTCCFG4
#define VRC_CHIPSET 0x14
#define VRC_CS_PWRBTN 0x00
#define VRC_CS_UART1 0x01
#define VRC_CS_UART2 0x02
#define MAX_CHIPSET VRC_CS_UART2
#define VRC_THERMAL 0x15
#define VRC_THERMAL_CURR_RTEMP 0x00 // read only
#define VRC_THERMAL_CURR_LTEMP 0x01 // read only
#define VRC_THERMAL_FAN 0x02
#define VRC_THERMAL_LOW_THRESHOLD 0x03
#define VRC_THERMAL_HIGH_THRESHOLD 0x04
#define VRC_THERMAL_INDEX 0x05
#define VRC_THERMAL_DATA 0x06
#define VRC_THERMAL_SMB_ADDRESS 0x07
#define VRC_THERMAL_SMB_INDEX 0x08
#define VRC_THERMAL_SMB_DATA 0x09
#define MAX_THERMAL VRC_THERMAL_SMB_DATA
#define MAX_VR_CLASS VRC_THERMAL
/*
* Write to a Virtual Register
*/
static inline void vrWrite(uint16_t wClassIndex, uint16_t wData)
{
outl(((uint32_t) VR_UNLOCK << 16) | wClassIndex, VRC_INDEX);
outw(wData, VRC_DATA);
}
/*
* Read from a Virtual Register
* Returns a 16-bit word of data
*/
static inline uint16_t vrRead(uint16_t wClassIndex)
{
uint16_t wData;
outl(((uint32_t) VR_UNLOCK << 16) | wClassIndex, VRC_INDEX);
wData = inw(VRC_DATA);
return wData;
}
#endif