gma.c File Reference

#include <acpi/acpi.h>
#include <device/mmio.h>
#include <device/pci_ops.h>
#include <bootmode.h>
#include <commonlib/helpers.h>
#include <console/console.h>
#include <cpu/intel/haswell/haswell.h>
#include <delay.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <reg_script.h>
#include <drivers/intel/gma/i915.h>
#include <drivers/intel/gma/i915_reg.h>
#include <drivers/intel/gma/libgfxinit.h>
#include <drivers/intel/gma/opregion.h>
#include <soc/pm.h>
#include <soc/systemagent.h>
#include <soc/intel/broadwell/chip.h>
#include <security/vboot/vbnv.h>
#include <soc/igd.h>
#include <types.h>

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Macros
#define	GT_RETRY   1000

Enumerations
enum	{   GT_CDCLK_DEFAULT = 0 , GT_CDCLK_337 , GT_CDCLK_450 , GT_CDCLK_540 ,   GT_CDCLK_675 }

Functions
u32	igd_get_reg_em4 (void)
u32	igd_get_reg_em5 (void)
u32	map_oprom_vendev (u32 vendev)
u32	gtt_read (u32 reg)
void	gtt_write (u32 reg, u32 data)
static void	gtt_rmw (u32 reg, u32 andmask, u32 ormask)
int	gtt_poll (u32 reg, u32 mask, u32 value)
static void	gma_setup_panel (struct device *dev)
static int	igd_get_cdclk_haswell (u32 *const cdsel, int *const inform_pc, struct device *const dev)
static int	igd_get_cdclk_broadwell (u32 *const cdsel, int *const inform_pc, struct device *const dev)
static void	igd_cdclk_init (struct device *dev, const int is_broadwell)
static void	igd_init (struct device *dev)
static void	gma_generate_ssdt (const struct device *dev)

Variables
static u32	reg_em4
static u32	reg_em5
struct reg_script	haswell_early_init_script []
static const struct reg_script	haswell_late_init_script []
static const struct reg_script	broadwell_early_init_script []
static const struct reg_script	broadwell_late_init_script []
static struct resource *	gtt_res = NULL
static struct device_operations	igd_ops
static const unsigned short	pci_device_ids []
static const struct pci_driver igd_driver	__pci_driver

Macro Definition Documentation

GT_RETRY

#define GT_RETRY   1000

Definition at line 27 of file gma.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
GT_CDCLK_DEFAULT
GT_CDCLK_337
GT_CDCLK_450
GT_CDCLK_540
GT_CDCLK_675

Definition at line 28 of file gma.c.

Function Documentation

gma_generate_ssdt()

static void gma_generate_ssdt ( const struct device *  dev )

static

Definition at line 575 of file gma.c.

References chip, device::chip_info, and drivers_intel_gma_displays_ssdt_generate().

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gma_setup_panel()

static void gma_setup_panel ( struct device *  dev )

static

Definition at line 284 of file gma.c.

References i915_gpu_panel_config::backlight_off_delay_ms, i915_gpu_panel_config::backlight_on_delay_ms, i915_gpu_panel_config::backlight_polarity, i915_gpu_panel_config::backlight_pwm_hz, BIOS_INFO, BLC_PWM_PCH_CTL1, BLC_PWM_PCH_CTL2, BLM_PCH_OVERRIDE_ENABLE, BLM_PCH_PWM_ENABLE, config_of(), i915_gpu_panel_config::cycle_delay_ms, DIV_ROUND_CLOSEST, DIV_ROUND_UP, i915_gpu_panel_config::down_delay_ms, i915_gpu_panel_config::GPU_BACKLIGHT_POLARITY_LOW, soc_intel_broadwell_config::gpu_dp_b_hotplug, soc_intel_broadwell_config::gpu_dp_c_hotplug, soc_intel_broadwell_config::gpu_dp_d_hotplug, gtt_read(), gtt_write(), MHz, soc_intel_broadwell_config::panel_cfg, PCH_PORT_HOTPLUG, PCH_PP_DIVISOR, PCH_PP_OFF_DELAYS, PCH_PP_ON_DELAYS, printk, SOUTH_CHICKEN2, and i915_gpu_panel_config::up_delay_ms.

Referenced by igd_init().

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gtt_poll()

int gtt_poll	(	u32	reg,
		u32	mask,
		u32	value
	)

Definition at line 269 of file gma.c.

References BIOS_ERR, GT_RETRY, gtt_read(), GTT_RETRY, mask, printk, udelay(), and value.

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gtt_read()

u32 gtt_read

(

u32

reg

)

Definition at line 248 of file gma.c.

References gtt_res, read32(), res2mmio(), and val.

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gtt_rmw()

static void gtt_rmw ( u32  reg, u32  andmask, u32  ormask  )

inlinestatic

Definition at line 261 of file gma.c.

References gtt_read(), gtt_write(), and val.

Referenced by igd_cdclk_init().

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gtt_write()

void gtt_write	(	u32	reg,
		u32	data
	)

Definition at line 256 of file gma.c.

References gtt_res, res2mmio(), and write32().

Referenced by intel_prepare_ddi_buffers().

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igd_cdclk_init()

static void igd_cdclk_init ( struct device *  dev, const int  is_broadwell  )

static

Definition at line 443 of file gma.c.

References soc_intel_broadwell_config::cdclk, GT_CDCLK_337, GT_CDCLK_450, GT_CDCLK_540, GT_CDCLK_675, gtt_rmw(), gtt_write(), igd_get_cdclk_broadwell(), igd_get_cdclk_haswell(), reg_em4, and reg_em5.

Referenced by igd_init().

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igd_get_cdclk_broadwell()

static int igd_get_cdclk_broadwell ( u32 *const  cdsel, int *const  inform_pc, struct device *const  dev  )

static

Definition at line 394 of file gma.c.

References BROADWELL_FAMILY_ULT, soc_intel_broadwell_config::cdclk, config_of(), cpu_family_model(), cpu_is_ult(), GT_CDCLK_337, GT_CDCLK_450, GT_CDCLK_540, GT_CDCLK_675, GT_CDCLK_DEFAULT, gtt_poll(), gtt_read(), gtt_write(), IGD_BROADWELL_Y_GT2, PCI_DEVICE_ID, and pci_read_config16().

Referenced by igd_cdclk_init().

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igd_get_cdclk_haswell()

static int igd_get_cdclk_haswell ( u32 *const  cdsel, int *const  inform_pc, struct device *const  dev  )

static

Definition at line 360 of file gma.c.

References soc_intel_broadwell_config::cdclk, config_of(), cpu_family_model(), cpu_is_ult(), GT_CDCLK_337, GT_CDCLK_450, GT_CDCLK_540, gtt_read(), HASWELL_FAMILY_ULT, IGD_HASWELL_ULX_GT1, IGD_HASWELL_ULX_GT2, PCI_DEVICE_ID, and pci_read_config16().

Referenced by igd_cdclk_init().

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igd_get_reg_em4()

u32 igd_get_reg_em4

(

void

)

Definition at line 39 of file gma.c.

References reg_em4.

Referenced by minihd_init().

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igd_get_reg_em5()

u32 igd_get_reg_em5

(

void

)

Definition at line 40 of file gma.c.

Referenced by minihd_init().

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igd_init()

static void igd_init ( struct device *  dev )

static

Definition at line 501 of file gma.c.

References acpi_is_wakeup_s3(), resource::base, broadwell_early_init_script, BROADWELL_FAMILY_ULT, broadwell_late_init_script, CONFIG, cpu_family_model(), cpu_stepping(), CPUID_BROADWELL_ULT_E0, DDI_A_4_LANES, DDI_BUF_CTL_A, DDI_BUF_IS_IDLE, DDI_INIT_DISPLAY_DETECTED, find_resource(), gfx_get_init_done(), gfx_set_init_done(), gma_gfxinit(), gma_setup_panel(), gtt_res, gtt_write(), haswell_early_init_script, haswell_late_init_script, igd_cdclk_init(), intel_gma_init_igd_opregion(), mchbar_read32(), memset(), PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_2, PCI_COMMAND, PCI_COMMAND_MASTER, pci_dev_init(), pci_or_config16(), probe_resource(), reg_script_run_on_dev(), and systemagent_revision().

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map_oprom_vendev()

u32 map_oprom_vendev

(

u32

vendev

)

Definition at line 241 of file gma.c.

References SA_IGD_OPROM_VENDEV.

Variable Documentation

__pci_driver

const struct pci_driver igd_driver __pci_driver

static

Initial value:

= {
        .ops     = &igd_ops,
        .vendor  = PCI_VID_INTEL,
        .devices = pci_device_ids,
}

Definition at line 591 of file gma.c.

broadwell_early_init_script

const struct reg_script broadwell_early_init_script[]

static

Definition at line 40 of file gma.c.

Referenced by igd_init().

broadwell_late_init_script

const struct reg_script broadwell_late_init_script[]

static

Initial value:

= {
        
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)),
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a000, (1 << 18)),
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)),
 
        
        REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000),
        REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY),
 
        
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)),
        REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400,
                       (1 << 30), (1 << 30), GT_RETRY),
 
        REG_SCRIPT_END
}

Definition at line 40 of file gma.c.

Referenced by igd_init().

gtt_res

struct resource* gtt_res = NULL

static

Definition at line 246 of file gma.c.

Referenced by gtt_read(), gtt_write(), and igd_init().

haswell_early_init_script

struct reg_script haswell_early_init_script[]

Definition at line 40 of file gma.c.

Referenced by igd_init().

haswell_late_init_script

const struct reg_script haswell_late_init_script[]

static

Initial value:

= {
        
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)),
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a004, (1 << 4)),
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a080, (1 << 2)),
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)),
 
        
        REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000),
        REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY),
        REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00000001),
 
        
        REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)),
        REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400,
                       (1 << 30), (1 << 30), GT_RETRY),
 
        REG_SCRIPT_END
}

Definition at line 40 of file gma.c.

Referenced by igd_init().

igd_ops

struct device_operations igd_ops

static

Initial value:

= {
        .read_resources         = pci_dev_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = igd_init,
        .acpi_fill_ssdt         = gma_generate_ssdt,
        .ops_pci                = &pci_dev_ops_pci,
}

Definition at line 575 of file gma.c.

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        IGD_HASWELL_ULT_GT1,
        IGD_HASWELL_ULT_GT2,
        IGD_HASWELL_ULT_GT3,
        IGD_BROADWELL_U_GT1,
        IGD_BROADWELL_U_GT2,
        IGD_BROADWELL_U_GT3_15W,
        IGD_BROADWELL_U_GT3_28W,
        IGD_BROADWELL_Y_GT2,
        IGD_BROADWELL_H_GT2,
        IGD_BROADWELL_H_GT3,
        0,
}

Definition at line 591 of file gma.c.

reg_em4

u32 reg_em4

static

Definition at line 36 of file gma.c.

Referenced by igd_cdclk_init(), and igd_get_reg_em4().

reg_em5

u32 reg_em5

static

Definition at line 37 of file gma.c.

Referenced by igd_cdclk_init().