vmlfb: framebuffer driver for Intel Vermilion Range

Add the Intel Vermilion Range framebuffer support.

Signed-off-by: Alan Hourihane <alanh@tungstengraphics.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Hourihane 2007-05-08 00:39:25 -07:00 committed by Linus Torvalds
parent 249bdbbf0d
commit dbe7e429fe
9 changed files with 1981 additions and 0 deletions

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@ -882,6 +882,22 @@ config FB_I810_I2C
select FB_DDC
help
config FB_LE80578
tristate "Intel LE80578 (Vermilion) support"
depends on FB && PCI && X86
select FB_MODE_HELPERS
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
help
This driver supports the LE80578 (Vermilion Range) chipset
config FB_CARILLO_RANCH
tristate "Intel Carillo Ranch support"
depends on FB_LE80578 && FB && PCI && X86
help
This driver supports the LE80578 (Carillo Ranch) board
config FB_INTEL
tristate "Intel 830M/845G/852GM/855GM/865G/915G/945G support (EXPERIMENTAL)"
depends on FB && EXPERIMENTAL && PCI && X86

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@ -56,6 +56,7 @@ obj-$(CONFIG_FB_IMSTT) += imsttfb.o
obj-$(CONFIG_FB_FM2) += fm2fb.o
obj-$(CONFIG_FB_CYBLA) += cyblafb.o
obj-$(CONFIG_FB_TRIDENT) += tridentfb.o
obj-$(CONFIG_FB_LE80578) += vermilion/
obj-$(CONFIG_FB_S3) += s3fb.o
obj-$(CONFIG_FB_STI) += stifb.o
obj-$(CONFIG_FB_FFB) += ffb.o sbuslib.o

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@ -63,3 +63,11 @@ config BACKLIGHT_PROGEAR
help
If you have a Frontpath ProGear say Y to enable the
backlight driver.
config BACKLIGHT_CARILLO_RANCH
tristate "Intel Carillo Ranch Backlight Driver"
depends on BACKLIGHT_CLASS_DEVICE && LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578
default n
help
If you have a Intel LE80578 (Carillo Ranch) say Y to enable the
backlight driver.

View file

@ -6,3 +6,4 @@ obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o
obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o
obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o
obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o
obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o

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@ -0,0 +1,287 @@
/*
* Copyright (c) Intel Corp. 2007.
* All Rights Reserved.
*
* Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
* develop this driver.
*
* This file is part of the Carillo Ranch video subsystem driver.
* The Carillo Ranch video subsystem driver is free software;
* you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The Carillo Ranch video subsystem driver is distributed
* in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this driver; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
* Alan Hourihane <alanh-at-tungstengraphics-dot-com>
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/lcd.h>
#include <linux/pci.h>
#include <asm/uaccess.h>
/* The LVDS- and panel power controls sits on the
* GPIO port of the ISA bridge.
*/
#define CRVML_DEVICE_LPC 0x27B8
#define CRVML_REG_GPIOBAR 0x48
#define CRVML_REG_GPIOEN 0x4C
#define CRVML_GPIOEN_BIT (1 << 4)
#define CRVML_PANEL_PORT 0x38
#define CRVML_LVDS_ON 0x00000001
#define CRVML_PANEL_ON 0x00000002
#define CRVML_BACKLIGHT_OFF 0x00000004
/* The PLL Clock register sits on Host bridge */
#define CRVML_DEVICE_MCH 0x5001
#define CRVML_REG_MCHBAR 0x44
#define CRVML_REG_MCHEN 0x54
#define CRVML_MCHEN_BIT (1 << 28)
#define CRVML_MCHMAP_SIZE 4096
#define CRVML_REG_CLOCK 0xc3c
#define CRVML_CLOCK_SHIFT 8
#define CRVML_CLOCK_MASK 0x00000f00
static struct pci_dev *lpc_dev;
static u32 gpio_bar;
struct cr_panel {
struct backlight_device *cr_backlight_device;
struct lcd_device *cr_lcd_device;
};
static int cr_backlight_set_intensity(struct backlight_device *bd)
{
int intensity = bd->props.brightness;
u32 addr = gpio_bar + CRVML_PANEL_PORT;
u32 cur = inl(addr);
if (bd->props.power == FB_BLANK_UNBLANK)
intensity = FB_BLANK_UNBLANK;
if (bd->props.fb_blank == FB_BLANK_UNBLANK)
intensity = FB_BLANK_UNBLANK;
if (bd->props.power == FB_BLANK_POWERDOWN)
intensity = FB_BLANK_POWERDOWN;
if (bd->props.fb_blank == FB_BLANK_POWERDOWN)
intensity = FB_BLANK_POWERDOWN;
if (intensity == FB_BLANK_UNBLANK) { /* FULL ON */
cur &= ~CRVML_BACKLIGHT_OFF;
outl(cur, addr);
} else if (intensity == FB_BLANK_POWERDOWN) { /* OFF */
cur |= CRVML_BACKLIGHT_OFF;
outl(cur, addr);
} /* anything else, don't bother */
return 0;
}
static int cr_backlight_get_intensity(struct backlight_device *bd)
{
u32 addr = gpio_bar + CRVML_PANEL_PORT;
u32 cur = inl(addr);
u8 intensity;
if (cur & CRVML_BACKLIGHT_OFF)
intensity = FB_BLANK_POWERDOWN;
else
intensity = FB_BLANK_UNBLANK;
return intensity;
}
static struct backlight_ops cr_backlight_ops = {
.get_brightness = cr_backlight_get_intensity,
.update_status = cr_backlight_set_intensity,
};
static void cr_panel_on(void)
{
u32 addr = gpio_bar + CRVML_PANEL_PORT;
u32 cur = inl(addr);
if (!(cur & CRVML_PANEL_ON)) {
/* Make sure LVDS controller is down. */
if (cur & 0x00000001) {
cur &= ~CRVML_LVDS_ON;
outl(cur, addr);
}
/* Power up Panel */
schedule_timeout(HZ / 10);
cur |= CRVML_PANEL_ON;
outl(cur, addr);
}
/* Power up LVDS controller */
if (!(cur & CRVML_LVDS_ON)) {
schedule_timeout(HZ / 10);
outl(cur | CRVML_LVDS_ON, addr);
}
}
static void cr_panel_off(void)
{
u32 addr = gpio_bar + CRVML_PANEL_PORT;
u32 cur = inl(addr);
/* Power down LVDS controller first to avoid high currents */
if (cur & CRVML_LVDS_ON) {
cur &= ~CRVML_LVDS_ON;
outl(cur, addr);
}
if (cur & CRVML_PANEL_ON) {
schedule_timeout(HZ / 10);
outl(cur & ~CRVML_PANEL_ON, addr);
}
}
static int cr_lcd_set_power(struct lcd_device *ld, int power)
{
if (power == FB_BLANK_UNBLANK)
cr_panel_on();
if (power == FB_BLANK_POWERDOWN)
cr_panel_off();
return 0;
}
static struct lcd_ops cr_lcd_ops = {
.set_power = cr_lcd_set_power,
};
static int cr_backlight_probe(struct platform_device *pdev)
{
struct cr_panel *crp;
u8 dev_en;
crp = kzalloc(sizeof(crp), GFP_KERNEL);
if (crp == NULL)
return -ENOMEM;
lpc_dev = pci_get_device(PCI_VENDOR_ID_INTEL,
CRVML_DEVICE_LPC, NULL);
if (!lpc_dev) {
printk("INTEL CARILLO RANCH LPC not found.\n");
return -ENODEV;
}
pci_read_config_byte(lpc_dev, CRVML_REG_GPIOEN, &dev_en);
if (!(dev_en & CRVML_GPIOEN_BIT)) {
printk(KERN_ERR
"Carillo Ranch GPIO device was not enabled.\n");
pci_dev_put(lpc_dev);
return -ENODEV;
}
crp->cr_backlight_device = backlight_device_register("cr-backlight",
&pdev->dev, NULL,
&cr_backlight_ops);
if (IS_ERR(crp->cr_backlight_device)) {
pci_dev_put(lpc_dev);
return PTR_ERR(crp->cr_backlight_device);
}
crp->cr_lcd_device = lcd_device_register("cr-lcd",
&pdev->dev,
&cr_lcd_ops);
if (IS_ERR(crp->cr_lcd_device)) {
pci_dev_put(lpc_dev);
return PTR_ERR(crp->cr_backlight_device);
}
pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR,
&gpio_bar);
gpio_bar &= ~0x3F;
crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK;
crp->cr_backlight_device->props.brightness = 0;
crp->cr_backlight_device->props.max_brightness = 0;
cr_backlight_set_intensity(crp->cr_backlight_device);
cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK);
platform_set_drvdata(pdev, crp);
return 0;
}
static int cr_backlight_remove(struct platform_device *pdev)
{
struct cr_panel *crp = platform_get_drvdata(pdev);
crp->cr_backlight_device->props.power = FB_BLANK_POWERDOWN;
crp->cr_backlight_device->props.brightness = 0;
crp->cr_backlight_device->props.max_brightness = 0;
cr_backlight_set_intensity(crp->cr_backlight_device);
cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN);
backlight_device_unregister(crp->cr_backlight_device);
lcd_device_unregister(crp->cr_lcd_device);
pci_dev_put(lpc_dev);
return 0;
}
static struct platform_driver cr_backlight_driver = {
.probe = cr_backlight_probe,
.remove = cr_backlight_remove,
.driver = {
.name = "cr_backlight",
},
};
static struct platform_device *crp;
static int __init cr_backlight_init(void)
{
int ret = platform_driver_register(&cr_backlight_driver);
if (!ret) {
crp = platform_device_alloc("cr_backlight", -1);
if (!crp)
return -ENOMEM;
ret = platform_device_add(crp);
if (ret) {
platform_device_put(crp);
platform_driver_unregister(&cr_backlight_driver);
}
}
printk("Carillo Ranch Backlight Driver Initialized.\n");
return ret;
}
static void __exit cr_backlight_exit(void)
{
platform_device_unregister(crp);
platform_driver_unregister(&cr_backlight_driver);
}
module_init(cr_backlight_init);
module_exit(cr_backlight_exit);
MODULE_AUTHOR("Tungsten Graphics Inc.");
MODULE_DESCRIPTION("Carillo Ranch Backlight Driver");
MODULE_LICENSE("GPL");

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@ -0,0 +1,5 @@
obj-$(CONFIG_FB_LE80578) += vmlfb.o
obj-$(CONFIG_FB_CARILLO_RANCH) += crvml.o
vmlfb-objs := vermilion.o
crvml-objs := cr_pll.o

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@ -0,0 +1,208 @@
/*
* Copyright (c) Intel Corp. 2007.
* All Rights Reserved.
*
* Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
* develop this driver.
*
* This file is part of the Carillo Ranch video subsystem driver.
* The Carillo Ranch video subsystem driver is free software;
* you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The Carillo Ranch video subsystem driver is distributed
* in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this driver; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
* Alan Hourihane <alanh-at-tungstengraphics-dot-com>
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/errno.h>
#include <linux/fb.h>
#include "vermilion.h"
/* The PLL Clock register sits on Host bridge */
#define CRVML_DEVICE_MCH 0x5001
#define CRVML_REG_MCHBAR 0x44
#define CRVML_REG_MCHEN 0x54
#define CRVML_MCHEN_BIT (1 << 28)
#define CRVML_MCHMAP_SIZE 4096
#define CRVML_REG_CLOCK 0xc3c
#define CRVML_CLOCK_SHIFT 8
#define CRVML_CLOCK_MASK 0x00000f00
static struct pci_dev *mch_dev;
static u32 mch_bar;
static void __iomem *mch_regs_base;
static u32 saved_clock;
static const unsigned crvml_clocks[] = {
6750,
13500,
27000,
29700,
37125,
54000,
59400,
74250,
120000
/*
* There are more clocks, but they are disabled on the CR board.
*/
};
static const u32 crvml_clock_bits[] = {
0x0a,
0x09,
0x08,
0x07,
0x06,
0x05,
0x04,
0x03,
0x0b
};
static const unsigned crvml_num_clocks = ARRAY_SIZE(crvml_clocks);
static int crvml_sys_restore(struct vml_sys *sys)
{
void __iomem *clock_reg = mch_regs_base + CRVML_REG_CLOCK;
iowrite32(saved_clock, clock_reg);
ioread32(clock_reg);
return 0;
}
static int crvml_sys_save(struct vml_sys *sys)
{
void __iomem *clock_reg = mch_regs_base + CRVML_REG_CLOCK;
saved_clock = ioread32(clock_reg);
return 0;
}
static int crvml_nearest_index(const struct vml_sys *sys, int clock)
{
int i;
int cur_index = 0;
int cur_diff;
int diff;
cur_diff = clock - crvml_clocks[0];
cur_diff = (cur_diff < 0) ? -cur_diff : cur_diff;
for (i = 1; i < crvml_num_clocks; ++i) {
diff = clock - crvml_clocks[i];
diff = (diff < 0) ? -diff : diff;
if (diff < cur_diff) {
cur_index = i;
cur_diff = diff;
}
}
return cur_index;
}
static int crvml_nearest_clock(const struct vml_sys *sys, int clock)
{
return crvml_clocks[crvml_nearest_index(sys, clock)];
}
static int crvml_set_clock(struct vml_sys *sys, int clock)
{
void __iomem *clock_reg = mch_regs_base + CRVML_REG_CLOCK;
int index;
u32 clock_val;
index = crvml_nearest_index(sys, clock);
if (crvml_clocks[index] != clock)
return -EINVAL;
clock_val = ioread32(clock_reg) & ~CRVML_CLOCK_MASK;
clock_val = crvml_clock_bits[index] << CRVML_CLOCK_SHIFT;
iowrite32(clock_val, clock_reg);
ioread32(clock_reg);
return 0;
}
static struct vml_sys cr_pll_ops = {
.name = "Carillo Ranch",
.save = crvml_sys_save,
.restore = crvml_sys_restore,
.set_clock = crvml_set_clock,
.nearest_clock = crvml_nearest_clock,
};
static int __init cr_pll_init(void)
{
int err;
u32 dev_en;
mch_dev = pci_get_device(PCI_VENDOR_ID_INTEL,
CRVML_DEVICE_MCH, NULL);
if (!mch_dev) {
printk(KERN_ERR
"Could not find Carillo Ranch MCH device.\n");
return -ENODEV;
}
pci_read_config_dword(mch_dev, CRVML_REG_MCHEN, &dev_en);
if (!(dev_en & CRVML_MCHEN_BIT)) {
printk(KERN_ERR
"Carillo Ranch MCH device was not enabled.\n");
pci_dev_put(mch_dev);
return -ENODEV;
}
pci_read_config_dword(mch_dev, CRVML_REG_MCHBAR,
&mch_bar);
mch_regs_base =
ioremap_nocache(mch_bar, CRVML_MCHMAP_SIZE);
if (!mch_regs_base) {
printk(KERN_ERR
"Carillo Ranch MCH device was not enabled.\n");
pci_dev_put(mch_dev);
return -ENODEV;
}
err = vmlfb_register_subsys(&cr_pll_ops);
if (err) {
printk(KERN_ERR
"Carillo Ranch failed to initialize vml_sys.\n");
pci_dev_put(mch_dev);
return err;
}
return 0;
}
static void __exit cr_pll_exit(void)
{
vmlfb_unregister_subsys(&cr_pll_ops);
iounmap(mch_regs_base);
pci_dev_put(mch_dev);
}
module_init(cr_pll_init);
module_exit(cr_pll_exit);
MODULE_AUTHOR("Tungsten Graphics Inc.");
MODULE_DESCRIPTION("Carillo Ranch PLL Driver");
MODULE_LICENSE("GPL");

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@ -0,0 +1,260 @@
/*
* Copyright (c) Intel Corp. 2007.
* All Rights Reserved.
*
* Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
* develop this driver.
*
* This file is part of the Vermilion Range fb driver.
* The Vermilion Range fb driver is free software;
* you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The Vermilion Range fb driver is distributed
* in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this driver; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#ifndef _VERMILION_H_
#define _VERMILION_H_
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/pci.h>
#include <asm/atomic.h>
#include <linux/mutex.h>
#define VML_DEVICE_GPU 0x5002
#define VML_DEVICE_VDC 0x5009
#define VML_VRAM_AREAS 3
#define VML_MAX_XRES 1024
#define VML_MAX_YRES 768
#define VML_MAX_XRES_VIRTUAL 1040
/*
* Display controller registers:
*/
/* Display controller 10-bit color representation */
#define VML_R_MASK 0x3FF00000
#define VML_R_SHIFT 20
#define VML_G_MASK 0x000FFC00
#define VML_G_SHIFT 10
#define VML_B_MASK 0x000003FF
#define VML_B_SHIFT 0
/* Graphics plane control */
#define VML_DSPCCNTR 0x00072180
#define VML_GFX_ENABLE 0x80000000
#define VML_GFX_GAMMABYPASS 0x40000000
#define VML_GFX_ARGB1555 0x0C000000
#define VML_GFX_RGB0888 0x18000000
#define VML_GFX_ARGB8888 0x1C000000
#define VML_GFX_ALPHACONST 0x02000000
#define VML_GFX_ALPHAMULT 0x01000000
#define VML_GFX_CONST_ALPHA 0x000000FF
/* Graphics plane start address. Pixel aligned. */
#define VML_DSPCADDR 0x00072184
/* Graphics plane stride register. */
#define VML_DSPCSTRIDE 0x00072188
/* Graphics plane position register. */
#define VML_DSPCPOS 0x0007218C
#define VML_POS_YMASK 0x0FFF0000
#define VML_POS_YSHIFT 16
#define VML_POS_XMASK 0x00000FFF
#define VML_POS_XSHIFT 0
/* Graphics plane height and width */
#define VML_DSPCSIZE 0x00072190
#define VML_SIZE_HMASK 0x0FFF0000
#define VML_SIZE_HSHIFT 16
#define VML_SISE_WMASK 0x00000FFF
#define VML_SIZE_WSHIFT 0
/* Graphics plane gamma correction lookup table registers (129 * 32 bits) */
#define VML_DSPCGAMLUT 0x00072200
/* Pixel video output configuration register */
#define VML_PVOCONFIG 0x00061140
#define VML_CONFIG_BASE 0x80000000
#define VML_CONFIG_PIXEL_SWAP 0x04000000
#define VML_CONFIG_DE_INV 0x01000000
#define VML_CONFIG_HREF_INV 0x00400000
#define VML_CONFIG_VREF_INV 0x00100000
#define VML_CONFIG_CLK_INV 0x00040000
#define VML_CONFIG_CLK_DIV2 0x00010000
#define VML_CONFIG_ESTRB_INV 0x00008000
/* Pipe A Horizontal total register */
#define VML_HTOTAL_A 0x00060000
#define VML_HTOTAL_MASK 0x1FFF0000
#define VML_HTOTAL_SHIFT 16
#define VML_HTOTAL_VAL 8192
#define VML_HACTIVE_MASK 0x000007FF
#define VML_HACTIVE_SHIFT 0
#define VML_HACTIVE_VAL 4096
/* Pipe A Horizontal Blank register */
#define VML_HBLANK_A 0x00060004
#define VML_HBLANK_END_MASK 0x1FFF0000
#define VML_HBLANK_END_SHIFT 16
#define VML_HBLANK_END_VAL 8192
#define VML_HBLANK_START_MASK 0x00001FFF
#define VML_HBLANK_START_SHIFT 0
#define VML_HBLANK_START_VAL 8192
/* Pipe A Horizontal Sync register */
#define VML_HSYNC_A 0x00060008
#define VML_HSYNC_END_MASK 0x1FFF0000
#define VML_HSYNC_END_SHIFT 16
#define VML_HSYNC_END_VAL 8192
#define VML_HSYNC_START_MASK 0x00001FFF
#define VML_HSYNC_START_SHIFT 0
#define VML_HSYNC_START_VAL 8192
/* Pipe A Vertical total register */
#define VML_VTOTAL_A 0x0006000C
#define VML_VTOTAL_MASK 0x1FFF0000
#define VML_VTOTAL_SHIFT 16
#define VML_VTOTAL_VAL 8192
#define VML_VACTIVE_MASK 0x000007FF
#define VML_VACTIVE_SHIFT 0
#define VML_VACTIVE_VAL 4096
/* Pipe A Vertical Blank register */
#define VML_VBLANK_A 0x00060010
#define VML_VBLANK_END_MASK 0x1FFF0000
#define VML_VBLANK_END_SHIFT 16
#define VML_VBLANK_END_VAL 8192
#define VML_VBLANK_START_MASK 0x00001FFF
#define VML_VBLANK_START_SHIFT 0
#define VML_VBLANK_START_VAL 8192
/* Pipe A Vertical Sync register */
#define VML_VSYNC_A 0x00060014
#define VML_VSYNC_END_MASK 0x1FFF0000
#define VML_VSYNC_END_SHIFT 16
#define VML_VSYNC_END_VAL 8192
#define VML_VSYNC_START_MASK 0x00001FFF
#define VML_VSYNC_START_SHIFT 0
#define VML_VSYNC_START_VAL 8192
/* Pipe A Source Image size (minus one - equal to active size)
* Programmable while pipe is enabled.
*/
#define VML_PIPEASRC 0x0006001C
#define VML_PIPEASRC_HMASK 0x0FFF0000
#define VML_PIPEASRC_HSHIFT 16
#define VML_PIPEASRC_VMASK 0x00000FFF
#define VML_PIPEASRC_VSHIFT 0
/* Pipe A Border Color Pattern register (10 bit color) */
#define VML_BCLRPAT_A 0x00060020
/* Pipe A Canvas Color register (10 bit color) */
#define VML_CANVSCLR_A 0x00060024
/* Pipe A Configuration register */
#define VML_PIPEACONF 0x00070008
#define VML_PIPE_BASE 0x00000000
#define VML_PIPE_ENABLE 0x80000000
#define VML_PIPE_FORCE_BORDER 0x02000000
#define VML_PIPE_PLANES_OFF 0x00080000
#define VML_PIPE_ARGB_OUTPUT_MODE 0x00040000
/* Pipe A FIFO setting */
#define VML_DSPARB 0x00070030
#define VML_FIFO_DEFAULT 0x00001D9C
/* MDVO rcomp status & pads control register */
#define VML_RCOMPSTAT 0x00070048
#define VML_MDVO_VDC_I_RCOMP 0x80000000
#define VML_MDVO_POWERSAVE_OFF 0x00000008
#define VML_MDVO_PAD_ENABLE 0x00000004
#define VML_MDVO_PULLDOWN_ENABLE 0x00000001
struct vml_par {
struct pci_dev *vdc;
u64 vdc_mem_base;
u64 vdc_mem_size;
char __iomem *vdc_mem;
struct pci_dev *gpu;
u64 gpu_mem_base;
u64 gpu_mem_size;
char __iomem *gpu_mem;
atomic_t refcount;
};
struct vram_area {
unsigned long logical;
unsigned long phys;
unsigned long size;
unsigned order;
};
struct vml_info {
struct fb_info info;
struct vml_par *par;
struct list_head head;
struct vram_area vram[VML_VRAM_AREAS];
u64 vram_start;
u64 vram_contig_size;
u32 num_areas;
void __iomem *vram_logical;
u32 pseudo_palette[16];
u32 stride;
u32 bytes_per_pixel;
atomic_t vmas;
int cur_blank_mode;
int pipe_disabled;
};
/*
* Subsystem
*/
struct vml_sys {
char *name;
/*
* Save / Restore;
*/
int (*save) (struct vml_sys * sys);
int (*restore) (struct vml_sys * sys);
/*
* PLL programming;
*/
int (*set_clock) (struct vml_sys * sys, int clock);
int (*nearest_clock) (const struct vml_sys * sys, int clock);
};
extern int vmlfb_register_subsys(struct vml_sys *sys);
extern void vmlfb_unregister_subsys(struct vml_sys *sys);
#define VML_READ32(_par, _offset) \
(ioread32((_par)->vdc_mem + (_offset)))
#define VML_WRITE32(_par, _offset, _value) \
iowrite32(_value, (_par)->vdc_mem + (_offset))
#endif