[PATCH 1/7] drm/hisilicon:Add hisilicon hibmc master driver.
Rongrong Zou
zourongrong at huawei.com
Tue Mar 1 08:07:33 UTC 2016
Hi, Emil
Thanks for reviewing this path.
在 2016/2/29 17:40, Emil Velikov 写道:
> On 29 February 2016 at 00:58, lijianhua <jueying0518 at gmail.com> wrote:
>> Add hibmc DRM master driver for hi1710 which used in arm64 board.
>>
> Would be nice to give examples of what "arm64 board" this hardware is
> presently available. Some information about the device as seen in the
> cover letter, and/or a link to the cover letter would be nice to have.
>
Apply ,Will be fixed in next version.thanks!
>> Signed-off-by: lijianhua <jueying0518 at gmail.com>
>> ---
>> drivers/gpu/drm/Kconfig | 2 +
>> drivers/gpu/drm/Makefile | 1 +
>> drivers/gpu/drm/hisilicon/Kconfig | 4 +
>> drivers/gpu/drm/hisilicon/Makefile | 4 +
>> drivers/gpu/drm/hisilicon/hibmc/Kconfig | 13 +
>> drivers/gpu/drm/hisilicon/hibmc/Makefile | 5 +
>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 301 +++++++++++++++
>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 49 +++
>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.c | 83 ++++
>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.h | 484 ++++++++++++++++++++++++
>> 10 files changed, 946 insertions(+)
>> create mode 100644 drivers/gpu/drm/hisilicon/Kconfig
>> create mode 100644 drivers/gpu/drm/hisilicon/Makefile
>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/Kconfig
>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/Makefile
>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.c
>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.h
>>
>> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
>> index 8ae7ab6..600f94d 100644
>> --- a/drivers/gpu/drm/Kconfig
>> +++ b/drivers/gpu/drm/Kconfig
>> @@ -269,3 +269,5 @@ source "drivers/gpu/drm/imx/Kconfig"
>> source "drivers/gpu/drm/vc4/Kconfig"
>>
>> source "drivers/gpu/drm/etnaviv/Kconfig"
>> +
>> +source "drivers/gpu/drm/hisilicon/Kconfig"
>> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
>> index 61766de..6055483 100644
>> --- a/drivers/gpu/drm/Makefile
>> +++ b/drivers/gpu/drm/Makefile
>> @@ -74,3 +74,4 @@ obj-y += panel/
>> obj-y += bridge/
>> obj-$(CONFIG_DRM_FSL_DCU) += fsl-dcu/
>> obj-$(CONFIG_DRM_ETNAVIV) += etnaviv/
>> +obj-y += hisilicon/
>> diff --git a/drivers/gpu/drm/hisilicon/Kconfig b/drivers/gpu/drm/hisilicon/Kconfig
>> new file mode 100644
>> index 0000000..1f10e17
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/Kconfig
>> @@ -0,0 +1,4 @@
>> +# hisilicon drm device configuration.
>> +# Please keep this sorted alphabetically.
>> +
>> +source "drivers/gpu/drm/hisilicon/hibmc/Kconfig"
>> diff --git a/drivers/gpu/drm/hisilicon/Makefile b/drivers/gpu/drm/hisilicon/Makefile
>> new file mode 100644
>> index 0000000..487d5b0
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/Makefile
>> @@ -0,0 +1,4 @@
>> +# Makefile for hisilicon drm drivers.
>> +# Please keep this list sorted alphabetically
>> +
>> +obj-$(CONFIG_DRM_HISI_HIBMC) += hibmc/
>> \ No newline at end of file
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/Kconfig b/drivers/gpu/drm/hisilicon/hibmc/Kconfig
>> new file mode 100644
>> index 0000000..c60ace6
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/Kconfig
>> @@ -0,0 +1,13 @@
>> +config DRM_HISI_HIBMC
>> + tristate "DRM Support for hisilicon hibmc dispi vga interface"
> Use proper capitalisation in the above ? Is the driver copied/derived
> from bochs - the above does not sounds right.
Apply ,Will be fixed in next version.thanks!
>
>> + depends on DRM && PCI
>> + select DRM_KMS_HELPER
>> + select DRM_KMS_FB_HELPER
>> + select DRM_GEM_CMA_HELPER
>> + select DRM_KMS_CMA_HELPER
>> + select FB_SYS_FILLRECT
>> + select FB_SYS_COPYAREA
>> + select FB_SYS_IMAGEBLIT
>> + help
>> + Choose this option for qemu.
> Err what - too much copy/pasta ?
Apply ,thanks!
>
>> + If M is selected the module will be called hibmc-drm.
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/Makefile b/drivers/gpu/drm/hisilicon/hibmc/Makefile
>> new file mode 100644
>> index 0000000..28e59bb
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/Makefile
>> @@ -0,0 +1,5 @@
>> +ccflags-y := -Iinclude/drm
> Based on the includes in hibmc_drm_drv.c the above include isn't needed.
Apply ,thanks!
>
>> +hibmc-drm-y := hibmc_drm_drv.o hibmc_drm_hw.o
>> +
>> +obj-$(CONFIG_DRM_HISI_HIBMC) +=hibmc-drm.o
>> +#obj-y += hibmc-drm.o
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> new file mode 100644
>> index 0000000..444ced8
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> @@ -0,0 +1,301 @@
>> +/*
>> + * Copyright (c) 2016 Huawei Limited.
>> + *
>> + * This program 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.
>> + *
>> + */
>> +
>> +#include <linux/module.h>
>> +#include <linux/console.h>
>> +#include <drm/drm_atomic_helper.h>
>> +#include <drm/drm_crtc_helper.h>
>> +#include <drm/drm_fb_helper.h>
>> +#include <drm/drm_gem_cma_helper.h>
>> +#include <drm/drmP.h>
>> +
>> +#include "hibmc_drm_drv.h"
>> +#include "hibmc_drm_hw.h"
>> +
>> +unsigned char __iomem *mmio_bmc_vga;
>> +
> Having globals like this is never a good idea.
Apply , i'll remove it.
>
>> +static const struct file_operations hibmc_fops = {
>> + .owner = THIS_MODULE,
>> + .open = drm_open,
>> + .release = drm_release,
>> + .unlocked_ioctl = drm_ioctl,
>> +#ifdef CONFIG_COMPAT
>> + .compat_ioctl = drm_compat_ioctl,
>> +#endif
>> + .poll = drm_poll,
>> + .read = drm_read,
>> + .llseek = no_llseek,
>> +};
>> +
>> +int hibmc_enable_vblank(struct drm_device *dev, unsigned int pipe)
>> +{
>> + return 0;
>> +}
>> +
>> +void hibmc_disable_vblank(struct drm_device *dev, unsigned int pipe)
>> +{
>> +}
>> +
>> +static struct drm_driver hibmc_driver = {
>> + .driver_features = DRIVER_GEM | DRIVER_MODESET |
>> + DRIVER_ATOMIC,
> You do not manage any outputs, let alone in atomic manner, yet. This
> should come with the patch that introduces the functionality ?
OK, let me consider how to introduce the functionality.
>
>> + .fops = &hibmc_fops,
>> + .name = "hibmc-drm",
>> + .desc = "hibmc drm driver",
>> + .date = "20151218",
> Afaict this date is mostly unused, then again it's quite off :-)
Do you mean i should better remove this property?
>
>> + .major = 1,
>> + .minor = 0,
>> + .get_vblank_counter = drm_vblank_no_hw_counter,
>> + .enable_vblank = hibmc_enable_vblank,
>> + .disable_vblank = hibmc_disable_vblank,
>> + .gem_free_object = drm_gem_cma_free_object,
>> + .gem_vm_ops = &drm_gem_cma_vm_ops,
>> + .dumb_create = drm_gem_cma_dumb_create,
>> + .dumb_map_offset = drm_gem_cma_dumb_map_offset,
>> + .dumb_destroy = drm_gem_dumb_destroy,
>> +};
>> +
>> +static int hibmc_pm_suspend(struct device *dev)
>> +{
>> + struct pci_dev *pdev = to_pci_dev(dev);
>> + struct drm_device *drm_dev = pci_get_drvdata(pdev);
>> + struct hibmc_private *hiprivate = drm_dev->dev_private;
>> +
>> + drm_kms_helper_poll_disable(drm_dev);
>> +
>> + if (hiprivate->fbdev.initialized) {
>> + console_lock();
>> + fb_set_suspend(hiprivate->fbdev.helper.fbdev, 1);
>> + console_unlock();
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int hibmc_pm_resume(struct device *dev)
>> +{
>> + struct pci_dev *pdev = to_pci_dev(dev);
>> + struct drm_device *drm_dev = pci_get_drvdata(pdev);
>> + struct hibmc_private *hiprivate = drm_dev->dev_private;
>> +
>> + drm_helper_resume_force_mode(drm_dev);
>> +
>> + if (hiprivate->fbdev.initialized) {
>> + console_lock();
>> + fb_set_suspend(hiprivate->fbdev.helper.fbdev, 0);
>> + console_unlock();
>> + }
>> +
>> + drm_kms_helper_poll_enable(drm_dev);
>> + return 0;
>> +}
>> +
>> +static const struct dev_pm_ops hibmc_pm_ops = {
>> + SET_SYSTEM_SLEEP_PM_OPS(hibmc_pm_suspend,
>> + hibmc_pm_resume)
>> +};
>> +
>> +int hibmc_hw_config(void)
>> +{
>> + unsigned int reg;
>> +
>> + /* On hardware reset, power mode 0 is default. */
>> + set_power_mode(POWER_MODE_CTRL_MODE_MODE0);
>> +
>> + /* Enable display power gate & LOCALMEM power gate*/
>> + reg = PEEK32(CURRENT_GATE);
>> + reg = FIELD_SET(reg, CURRENT_GATE, DISPLAY, ON);
>> + reg = FIELD_SET(reg, CURRENT_GATE, LOCALMEM, ON);
>> + set_current_gate(reg);
>> +
>> + /* Reset the memory controller. If the memory controller
>> + * is not reset in chip,the system might hang when sw accesses
>> + * the memory.The memory should be resetted after
>> + * changing the MXCLK.
>> + */
>> + reg = PEEK32(MISC_CTRL);
>> + reg = FIELD_SET(reg, MISC_CTRL, LOCALMEM_RESET, RESET);
>> + POKE32(MISC_CTRL, reg);
>> +
>> + reg = FIELD_SET(reg, MISC_CTRL, LOCALMEM_RESET, NORMAL);
>> + POKE32(MISC_CTRL, reg);
>> +
>> + /* We can add more initialization as needed. */
>> +
>> + return 0;
>> +}
>> +
>> +int hibmc_hw_map(struct drm_device *dev)
>> +{
>> + struct hibmc_private *hiprivate = dev->dev_private;
>> + struct pci_dev *pdev = dev->pdev;
>> + resource_size_t addr, size, ioaddr, iosize;
>> +
>> + ioaddr = pci_resource_start(pdev, 1);
>> + iosize = MB(2);
>> +
>> + hiprivate->mmio = ioremap_nocache(ioaddr, iosize);
>> + if (!hiprivate->mmio) {
>> + DRM_ERROR("Cannot map mmio region\n");
>> + return -ENOMEM;
>> + }
>> +
>> + mmio_bmc_vga = hiprivate->mmio;
>> +
>> + addr = pci_resource_start(pdev, 0);
>> + size = MB(16);
>> +
>> + hiprivate->fb_map = ioremap(addr, size);
>> + if (!hiprivate->fb_map) {
>> + DRM_ERROR("Cannot map framebuffer\n");
>> + return -ENOMEM;
>> + }
>> + hiprivate->fb_base = addr;
>> + hiprivate->fb_size = size;
>> +
>> + return 0;
>> +}
>> +
>> +void hibmc_hw_fini(struct drm_device *dev)
>> +{
>> + struct hibmc_private *hiprivate = dev->dev_private;
>> +
>> + if (hiprivate->mmio)
>> + iounmap(hiprivate->mmio);
>> + if (hiprivate->fb_map)
>> + iounmap(hiprivate->fb_map);
>> +}
>> +
>> +int hibmc_hw_init(struct drm_device *dev)
>> +{
>> + int ret;
>> +
>> + ret = hibmc_hw_map(dev);
>> + if (ret)
>> + return ret;
>> +
>> + hibmc_hw_config();
>> +
>> + return 0;
>> +}
>> +
>> +static int hibmc_unload(struct drm_device *dev)
>> +{
>> + hibmc_hw_fini(dev);
>> + dev->dev_private = NULL;
>> + return 0;
>> +}
>> +
>> +static int hibmc_load(struct drm_device *dev, unsigned long flags)
>> +{
>> + struct hibmc_private *hiprivate;
>> + int ret;
>> +
>> + hiprivate = devm_kzalloc(dev->dev, sizeof(*hiprivate), GFP_KERNEL);
>> + if (!hiprivate)
>> + return -ENOMEM;
>> + dev->dev_private = hiprivate;
>> + hiprivate->dev = dev;
>> +
>> + ret = hibmc_hw_init(dev);
>> + if (ret)
>> + goto err;
>> + ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
>> + if (ret) {
>> + DRM_ERROR("failed to initialize vblank.\n");
>> + return ret;
>> + }
>> + /* reset all the states of crtc/plane/encoder/connector */
>> + drm_mode_config_reset(dev);
>> +
>> + return 0;
>> +
>> +err:
>> + hibmc_unload(dev);
>> + DRM_ERROR("failed to initialize drm driver.\n");
>> + return ret;
>> +}
>> +
>> +static int hibmc_pci_probe(struct pci_dev *pdev,
>> + const struct pci_device_id *ent)
>> +{
>> + struct drm_device *dev;
>> + int ret;
>> +
>> + dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
>> + if (!dev)
>> + return -ENOMEM;
>> +
>> + dev->pdev = pdev;
>> + pci_set_drvdata(pdev, dev);
>> +
>> + ret = pci_enable_device(pdev);
>> + if (ret)
>> + goto err_free;
>> +
>> + ret = hibmc_load(dev, 0);
>> + if (ret)
>> + goto err_disable;
>> +
>> + ret = drm_dev_register(dev, 0);
>> + if (ret)
>> + goto err_unload;
>> +
>> + return 0;
>> +
>> +err_unload:
>> + hibmc_unload(dev);
>> +err_disable:
>> + pci_disable_device(pdev);
>> +err_free:
>> + drm_dev_unref(dev);
>> +
>> + return ret;
>> +}
>> +
>> +static void hibmc_pci_remove(struct pci_dev *pdev)
>> +{
>> + struct drm_device *dev = pci_get_drvdata(pdev);
>> +
>> + drm_dev_unregister(dev);
>> + hibmc_unload(dev);
>> + drm_dev_unref(dev);
>> +}
>> +
>> +static struct pci_device_id hibmc_pci_table[] = {
>> + {PCI_VENDOR_ID_HIS, PCI_DEVID_HS_VGA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
>> + {0,}
>> +};
>> +
>> +static struct pci_driver hibmc_pci_driver = {
>> + .name = "hibmc-drm",
>> + .id_table = hibmc_pci_table,
>> + .probe = hibmc_pci_probe,
>> + .remove = hibmc_pci_remove,
>> + .driver.pm = &hibmc_pm_ops,
>> +};
>> +
>> +static int __init hibmc_init(void)
>> +{
>> + return drm_pci_init(&hibmc_driver, &hibmc_pci_driver);
> The use of drm_pci_init has been deprecated for more than half a year.
> Please update and check that the rest of the driver does not use such
> (deprecated) functions.
>
thanks,i will fix it
>> +}
>> +
>> +static void __exit hibmc_exit(void)
>> +{
>> + drm_pci_exit(&hibmc_driver, &hibmc_pci_driver);
>> +}
>> +
>> +module_init(hibmc_init);
>> +module_exit(hibmc_exit);
>> +
>> +MODULE_DEVICE_TABLE(pci, hibmc_pci_table);
>> +MODULE_AUTHOR("lijianhua <lijianhua at huawei.com>");
>> +MODULE_DESCRIPTION("DRM Driver for Hisilicon BMC Hi1710");
>> +MODULE_LICENSE("GPL");
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> new file mode 100644
>> index 0000000..5db7902
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> @@ -0,0 +1,49 @@
>> +/*
>> + * Copyright (c) 2016 Huawei Limited.
>> + *
>> + * This program 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.
>> + *
>> + */
>> +
>> +#ifndef HIBMC_DRM_DRV_H
>> +#define HIBMC_DRM_DRV_H
>> +
>> +/* Vendor and Device id for HISILICON Graphics chip*/
>> +#define PCI_VENDOR_ID_HIS 0x19e5
>> +#define PCI_DEVID_HS_VGA 0x1711
>> +
I wonder where to place the 2 macros, any suggusetions, thanks.
> Pretty sure that these don't belong here. Also the device id name
> seems quite generic.
>
>> +struct hibmc_framebuffer {
>> + struct drm_framebuffer fb;
>> + struct drm_gem_cma_object *obj;
>> + bool is_fbdev_fb;
>> +};
>> +
>> +struct hibmc_fbdev {
>> + struct hibmc_framebuffer fb;
>> + struct drm_fb_helper helper;
>> + bool initialized;
>> +};
>> +
>> +struct hibmc_private {
>> + /* hw */
>> + void __iomem *mmio;
>> + void __iomem *fb_map;
>> + unsigned long fb_base;
>> + unsigned long fb_size;
>> +
>> + /* drm */
>> + struct drm_device *dev;
>> + struct drm_plane plane;
>> + struct drm_crtc crtc;
>> + struct drm_encoder encoder;
>> + struct drm_connector connector;
>> + bool mode_config_initialized;
>> +
>> + /* fbdev */
>> + struct hibmc_fbdev fbdev;
>> +};
>> +
> hibmc_private looks quite strange. I haven't closely looked at the
> driver, but many of the above structs, or their member variables, are
> not used yet. They should be introduced by the patch where needed.
OK, i will move the member to the patch where they referred.
>
>> +#endif
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.c
>> new file mode 100644
>> index 0000000..8eb7b26
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.c
>> @@ -0,0 +1,83 @@
>> +/*
>> + * Copyright (c) 2016 Huawei Limited.
>> + *
>> + * This program 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.
>> + *
>> + */
>> +#include <linux/io.h>
>> +
>> +#include "hibmc_drm_hw.h"
>> +
>> +/*
>> + * It can operate in one of three modes: 0, 1 or Sleep.
>> + */
>> +void set_power_mode(unsigned int power_mode)
>> +{
>> + unsigned int control_value = 0;
>> +
>> + control_value = PEEK32(POWER_MODE_CTRL);
>> +
>> + switch (power_mode) {
>> + case POWER_MODE_CTRL_MODE_MODE0:
>> + control_value = FIELD_SET(control_value, POWER_MODE_CTRL,
>> + MODE, MODE0);
>> + break;
>> +
>> + case POWER_MODE_CTRL_MODE_MODE1:
>> + control_value = FIELD_SET(control_value, POWER_MODE_CTRL,
>> + MODE, MODE1);
>> + break;
>> +
>> + case POWER_MODE_CTRL_MODE_SLEEP:
>> + control_value = FIELD_SET(control_value, POWER_MODE_CTRL,
>> + MODE, SLEEP);
>> + break;
>> +
>> + default:
>> + break;
>> + }
>> +
>> + /* Set up other fields in Power Control Register */
>> + if (power_mode == POWER_MODE_CTRL_MODE_SLEEP) {
>> + control_value = FIELD_SET(control_value, POWER_MODE_CTRL,
>> + OSC_INPUT, OFF);
>> + } else {
>> + control_value = FIELD_SET(control_value, POWER_MODE_CTRL,
>> + OSC_INPUT, ON);
>> + }
>> + /* Program new power mode. */
>> + POKE32(POWER_MODE_CTRL, control_value);
>> +}
>> +
>> +unsigned int get_power_mode(void)
>> +{
>> + return FIELD_GET(PEEK32(POWER_MODE_CTRL), POWER_MODE_CTRL, MODE);
>> +}
>> +
>> +void set_current_gate(unsigned int gate)
>> +{
>> + unsigned int gate_reg;
>> + unsigned int mode;
>> +
>> + /* Get current power mode. */
>> + mode = get_power_mode();
>> +
>> + switch (mode) {
>> + case POWER_MODE_CTRL_MODE_MODE0:
>> + gate_reg = MODE0_GATE;
>> + break;
>> +
>> + case POWER_MODE_CTRL_MODE_MODE1:
>> + gate_reg = MODE1_GATE;
>> + break;
>> +
>> + default:
>> + gate_reg = MODE0_GATE;
>> + break;
>> + }
>> + POKE32(gate_reg, gate);
>> +}
>> +
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.h
>> new file mode 100644
>> index 0000000..52787d4
>> --- /dev/null
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_hw.h
>> @@ -0,0 +1,484 @@
>> +/*
>> + * Copyright (c) 2016 Huawei Limited.
>> + *
>> + * This program 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.
>> + *
>> + */
>> + #ifndef HIBMC_DRM_HW_H
>> +#define HIBMC_DRM_HW_H
>> +
>> +#define F(v) v
>> +
> I wonder why almost every new kernel developer introduces their own
> set of bit macros :-(
> Please use take a look at include/linux/bitops.h.
It is derived from its fb version originally. i will fix it in
next version.
>
>> +/* register definition */
>> +#define DE_STATE1 0x100054
>> +#define DE_STATE1_DE_ABORT F(0 : 0)
>> +#define DE_STATE1_DE_ABORT_OFF 0
>> +#define DE_STATE1_DE_ABORT_ON 1
>> +
>> +#define DE_STATE2 0x100058
>> +#define DE_STATE2_DE_FIFO F(3 : 3)
>> +#define DE_STATE2_DE_FIFO_NOTEMPTY 0
>> +#define DE_STATE2_DE_FIFO_EMPTY 1
>> +#define DE_STATE2_DE_STATUS F(2 : 2)
>> +#define DE_STATE2_DE_STATUS_IDLE 0
>> +#define DE_STATE2_DE_STATUS_BUSY 1
>> +#define DE_STATE2_DE_MEM_FIFO F(1 : 1)
>> +#define DE_STATE2_DE_MEM_FIFO_NOTEMPTY 0
>> +#define DE_STATE2_DE_MEM_FIFO_EMPTY 1
>> +
>> +#define MISC_CTRL 0x000004
>> +#define MISC_CTRL_DAC_POWER F(20 : 20)
>> +#define MISC_CTRL_DAC_POWER_ON 0
>> +#define MISC_CTRL_DAC_POWER_OFF 1
>> +#define MISC_CTRL_LOCALMEM_RESET F(6 : 6)
>> +#define MISC_CTRL_LOCALMEM_RESET_RESET 0
>> +#define MISC_CTRL_LOCALMEM_RESET_NORMAL 1
>> +
>> +#define CURRENT_GATE 0x000040
>> +#define CURRENT_GATE_MCLK F(15 : 14)
>> +#define CURRENT_GATE_CSC F(4 : 4)
>> +#define CURRENT_GATE_CSC_OFF 0
>> +#define CURRENT_GATE_CSC_ON 1
>> +#define CURRENT_GATE_DE F(3 : 3)
>> +#define CURRENT_GATE_DE_OFF 0
>> +#define CURRENT_GATE_DE_ON 1
>> +#define CURRENT_GATE_DISPLAY F(2 : 2)
>> +#define CURRENT_GATE_DISPLAY_OFF 0
>> +#define CURRENT_GATE_DISPLAY_ON 1
>> +#define CURRENT_GATE_LOCALMEM F(1 : 1)
>> +#define CURRENT_GATE_LOCALMEM_OFF 0
>> +#define CURRENT_GATE_LOCALMEM_ON 1
>> +#define CURRENT_GATE_DMA F(0 : 0)
>> +#define CURRENT_GATE_DMA_OFF 0
>> +#define CURRENT_GATE_DMA_ON 1
>> +
>> +#define MODE0_GATE 0x000044
>> +#define MODE1_GATE 0x000048
>> +#define POWER_MODE_CTRL 0x00004C
>> +
>> +#define POWER_MODE_CTRL_OSC_INPUT F(3 : 3)
>> +#define POWER_MODE_CTRL_OSC_INPUT_OFF 0
>> +#define POWER_MODE_CTRL_OSC_INPUT_ON 1
>> +#define POWER_MODE_CTRL_ACPI F(2 : 2)
>> +#define POWER_MODE_CTRL_ACPI_OFF 0
>> +#define POWER_MODE_CTRL_ACPI_ON 1
>> +#define POWER_MODE_CTRL_MODE F(1 : 0)
>> +#define POWER_MODE_CTRL_MODE_MODE0 0
>> +#define POWER_MODE_CTRL_MODE_MODE1 1
>> +#define POWER_MODE_CTRL_MODE_SLEEP 2
>> +
>> +#define PANEL_PLL_CTRL 0x00005C
>> +#define PANEL_PLL_CTRL_BYPASS F(18 : 18)
>> +#define PANEL_PLL_CTRL_BYPASS_OFF 0
>> +#define PANEL_PLL_CTRL_BYPASS_ON 1
>> +#define PANEL_PLL_CTRL_POWER F(17 : 17)
>> +#define PANEL_PLL_CTRL_POWER_OFF 0
>> +#define PANEL_PLL_CTRL_POWER_ON 1
>> +#define PANEL_PLL_CTRL_INPUT F(16 : 16)
>> +#define PANEL_PLL_CTRL_INPUT_OSC 0
>> +#define PANEL_PLL_CTRL_INPUT_TESTCLK 1
>> +
>> +#define PANEL_PLL_CTRL_POD F(15 : 14)
>> +#define PANEL_PLL_CTRL_OD F(13 : 12)
>> +
>> +#define PANEL_PLL_CTRL_N F(11 : 8)
>> +#define PANEL_PLL_CTRL_M F(7 : 0)
>> +
>> +#define CRT_PLL_CTRL 0x000060
>> +/* Video Control */
>> +
>> +#define VIDEO_DISPLAY_CTRL 0x080040
>> +#define VIDEO_DISPLAY_CTRL_PLANE F(2 : 2)
>> +#define VIDEO_DISPLAY_CTRL_PLANE_DISABLE 0
>> +#define VIDEO_DISPLAY_CTRL_PLANE_ENABLE 1
>> +
>> +/* Video Alpha Control */
>> +
>> +#define VIDEO_ALPHA_DISPLAY_CTRL 0x080080
>> +#define VIDEO_ALPHA_DISPLAY_CTRL_PLANE F(2 : 2)
>> +#define VIDEO_ALPHA_DISPLAY_CTRL_PLANE_DISABLE 0
>> +#define VIDEO_ALPHA_DISPLAY_CTRL_PLANE_ENABLE 1
>> +
>> +/* Panel Cursor Control */
>> +#define ALPHA_DISPLAY_CTRL 0x080100
>> +#define ALPHA_DISPLAY_CTRL_PLANE F(2 : 2)
>> +#define ALPHA_DISPLAY_CTRL_PLANE_DISABLE 0
>> +#define ALPHA_DISPLAY_CTRL_PLANE_ENABLE 1
>> +
>> +/* CRT Graphics Control */
>> +#define CRT_DISPLAY_CTRL 0x080200
>> +#define CRT_DISPLAY_CTRL_RESERVED_1_MASK F(31 : 27)
>> +#define CRT_DISPLAY_CTRL_RESERVED_1_MASK_DISABLE 0
>> +#define CRT_DISPLAY_CTRL_RESERVED_1_MASK_ENABLE 0x1F
>> +
>> +/* register definition */
>> +#define CRT_DISPLAY_CTRL_DPMS F(31 : 30)
>> +#define CRT_DISPLAY_CTRL_DPMS_0 0
>> +#define CRT_DISPLAY_CTRL_DPMS_1 1
>> +#define CRT_DISPLAY_CTRL_DPMS_2 2
>> +#define CRT_DISPLAY_CTRL_DPMS_3 3
>> +
>> +/* register definition */
>> +#define CRT_DISPLAY_CTRL_CRTSELECT F(25 : 25)
>> +#define CRT_DISPLAY_CTRL_CRTSELECT_VGA 0
>> +#define CRT_DISPLAY_CTRL_CRTSELECT_CRT 1
>> +
>> +#define CRT_DISPLAY_CTRL_CLOCK_PHASE F(14 : 14)
>> +#define CRT_DISPLAY_CTRL_CLOCK_PHASE_ACTIVE_HIGH 0
>> +#define CRT_DISPLAY_CTRL_CLOCK_PHASE_ACTIVE_LOW 1
>> +#define CRT_DISPLAY_CTRL_VSYNC_PHASE F(13 : 13)
>> +#define CRT_DISPLAY_CTRL_VSYNC_PHASE_ACTIVE_HIGH 0
>> +#define CRT_DISPLAY_CTRL_VSYNC_PHASE_ACTIVE_LOW 1
>> +#define CRT_DISPLAY_CTRL_HSYNC_PHASE F(12 : 12)
>> +#define CRT_DISPLAY_CTRL_HSYNC_PHASE_ACTIVE_HIGH 0
>> +#define CRT_DISPLAY_CTRL_HSYNC_PHASE_ACTIVE_LOW 1
>> +#define CRT_DISPLAY_CTRL_BLANK F(10 : 10)
>> +#define CRT_DISPLAY_CTRL_BLANK_OFF 0
>> +#define CRT_DISPLAY_CTRL_BLANK_ON 1
>> +#define CRT_DISPLAY_CTRL_TIMING F(8 : 8)
>> +#define CRT_DISPLAY_CTRL_TIMING_DISABLE 0
>> +#define CRT_DISPLAY_CTRL_TIMING_ENABLE 1
>> +#define CRT_DISPLAY_CTRL_PLANE F(2 : 2)
>> +#define CRT_DISPLAY_CTRL_PLANE_DISABLE 0
>> +#define CRT_DISPLAY_CTRL_PLANE_ENABLE 1
>> +#define CRT_DISPLAY_CTRL_FORMAT F(1 : 0)
>> +#define CRT_DISPLAY_CTRL_FORMAT_8 0
>> +#define CRT_DISPLAY_CTRL_FORMAT_16 1
>> +#define CRT_DISPLAY_CTRL_FORMAT_32 2
>> +#define CRT_DISPLAY_CTRL_RESERVED_BITS_MASK 0xFF000200
>> +
>> +#define CRT_FB_ADDRESS 0x080204
>> +#define CRT_FB_ADDRESS_STATUS F(31 : 31)
>> +#define CRT_FB_ADDRESS_STATUS_CURRENT 0
>> +#define CRT_FB_ADDRESS_STATUS_PENDING 1
>> +#define CRT_FB_ADDRESS_EXT F(27 : 27)
>> +#define CRT_FB_ADDRESS_EXT_LOCAL 0
>> +#define CRT_FB_ADDRESS_EXT_EXTERNAL 1
>> +#define CRT_FB_ADDRESS_ADDRESS F(25 : 0)
>> +
>> +#define CRT_FB_WIDTH 0x080208
>> +#define CRT_FB_WIDTH_WIDTH F(29 : 16)
>> +#define CRT_FB_WIDTH_OFFSET F(13 : 0)
>> +
>> +#define CRT_HORIZONTAL_TOTAL 0x08020C
>> +#define CRT_HORIZONTAL_TOTAL_TOTAL F(27 : 16)
>> +#define CRT_HORIZONTAL_TOTAL_DISPLAY_END F(11 : 0)
>> +
>> +#define CRT_HORIZONTAL_SYNC 0x080210
>> +#define CRT_HORIZONTAL_SYNC_WIDTH F(23 : 16)
>> +#define CRT_HORIZONTAL_SYNC_START F(11 : 0)
>> +
>> +#define CRT_VERTICAL_TOTAL 0x080214
>> +#define CRT_VERTICAL_TOTAL_TOTAL F(26 : 16)
>> +#define CRT_VERTICAL_TOTAL_DISPLAY_END F(10 : 0)
>> +
>> +#define CRT_VERTICAL_SYNC 0x080218
>> +#define CRT_VERTICAL_SYNC_HEIGHT F(21 : 16)
>> +#define CRT_VERTICAL_SYNC_START F(10 : 0)
>> +
>> +/* Auto Centering */
>> +#define CRT_AUTO_CENTERING_TL 0x080280
>> +#define CRT_AUTO_CENTERING_TL_TOP F(26 : 16)
>> +#define CRT_AUTO_CENTERING_TL_LEFT F(10 : 0)
>> +
>> +#define CRT_AUTO_CENTERING_BR 0x080284
>> +#define CRT_AUTO_CENTERING_BR_BOTTOM F(26 : 16)
>> +#define CRT_AUTO_CENTERING_BR_RIGHT F(10 : 0)
>> +
>> +/* register to control panel output */
>> +#define DISPLAY_CONTROL_HISILE 0x80288
>> +
>> +/* register and values for PLL control */
>> +#define CRT_PLL1_HS 0x802a8
>> +#define CRT_PLL1_HS_25MHZ 0x23d40f02
>> +#define CRT_PLL1_HS_40MHZ 0x23940801
>> +#define CRT_PLL1_HS_65MHZ 0x23940d01
>> +#define CRT_PLL1_HS_78MHZ 0x23540F82
>> +#define CRT_PLL1_HS_74MHZ 0x23941dc2
>> +#define CRT_PLL1_HS_80MHZ 0x23941001
>> +#define CRT_PLL1_HS_80MHZ_1152 0x23540fc2
>> +#define CRT_PLL1_HS_108MHZ 0x23b41b01
>> +#define CRT_PLL1_HS_162MHZ 0x23480681
>> +#define CRT_PLL1_HS_148MHZ 0x23541dc2
>> +#define CRT_PLL1_HS_193MHZ 0x234807c1
>> +
>> +#define CRT_PLL2_HS 0x802ac
>> +#define CRT_PLL2_HS_25MHZ 0x206B851E
>> +#define CRT_PLL2_HS_40MHZ 0x30000000
>> +#define CRT_PLL2_HS_65MHZ 0x40000000
>> +#define CRT_PLL2_HS_78MHZ 0x50E147AE
>> +#define CRT_PLL2_HS_74MHZ 0x602B6AE7
>> +#define CRT_PLL2_HS_80MHZ 0x70000000
>> +#define CRT_PLL2_HS_108MHZ 0x80000000
>> +#define CRT_PLL2_HS_162MHZ 0xA0000000
>> +#define CRT_PLL2_HS_148MHZ 0xB0CCCCCD
>> +#define CRT_PLL2_HS_193MHZ 0xC0872B02
>> +
>> +/* Palette RAM */
>> +
>> +/* Panel Palette register starts at 0x080400 ~ 0x0807FC */
>> +#define PANEL_PALETTE_RAM 0x080400
>> +
>> +/* Panel Palette register starts at 0x080C00 ~ 0x080FFC */
>> +#define CRT_PALETTE_RAM 0x080C00
>> +
>> +#define DMA_ABORT_INTERRUPT 0x0D0020
>> +#define DMA_ABORT_INTERRUPT_ABORT_1 F(5 : 5)
>> +#define DMA_ABORT_INTERRUPT_ABORT_1_ENABLE 0
>> +#define DMA_ABORT_INTERRUPT_ABORT_1_ABORT 1
>> +
>> +/* cursor control */
>> +#define HWC_ADDRESS 0x0
>> +#define HWC_ADDRESS_ENABLE F(31 : 31)
>> +#define HWC_ADDRESS_ENABLE_DISABLE 0
>> +#define HWC_ADDRESS_ENABLE_ENABLE 1
>> +#define HWC_ADDRESS_EXT F(27 : 27)
>> +#define HWC_ADDRESS_EXT_LOCAL 0
>> +#define HWC_ADDRESS_EXT_EXTERNAL 1
>> +#define HWC_ADDRESS_CS F(26 : 26)
>> +#define HWC_ADDRESS_CS_0 0
>> +#define HWC_ADDRESS_CS_1 1
>> +#define HWC_ADDRESS_ADDRESS F(25 : 0)
>> +
>> +#define HWC_LOCATION 0x4
>> +#define HWC_LOCATION_Y F(26 : 16)
>> +#define HWC_LOCATION_LEFT F(11 : 11)
>> +#define HWC_LOCATION_LEFT_INSIDE 0
>> +#define HWC_LOCATION_LEFT_OUTSIDE 1
>> +#define HWC_LOCATION_X F(10 : 0)
>> +
>> +#define HWC_COLOR_12 0x8
>> +
>> +#define HWC_COLOR_3 0xC
>> +
>> +/* accelate 2d graphic */
>> +#define DE_SOURCE 0x0
>> +#define DE_SOURCE_WRAP F(31 : 31)
>> +#define DE_SOURCE_WRAP_DISABLE 0
>> +#define DE_SOURCE_WRAP_ENABLE 1
>> +#define DE_SOURCE_X_K1 F(29 : 16)
>> +#define DE_SOURCE_Y_K2 F(15 : 0)
>> +#define DE_SOURCE_X_K1_MONO F(20 : 16)
>> +
>> +#define DE_DESTINATION 0x4
>> +#define DE_DESTINATION_WRAP F(31 : 31)
>> +#define DE_DESTINATION_WRAP_DISABLE 0
>> +#define DE_DESTINATION_WRAP_ENABLE 1
>> +#define DE_DESTINATION_X F(28 : 16)
>> +#define DE_DESTINATION_Y F(15 : 0)
>> +
>> +#define DE_DIMENSION 0x8
>> +#define DE_DIMENSION_X F(28 : 16)
>> +#define DE_DIMENSION_Y_ET F(15 : 0)
>> +
>> +#define DE_CONTROL 0xC
>> +#define DE_CONTROL_STATUS F(31 : 31)
>> +#define DE_CONTROL_STATUS_STOP 0
>> +#define DE_CONTROL_STATUS_START 1
>> +#define DE_CONTROL_PATTERN F(30 : 30)
>> +#define DE_CONTROL_PATTERN_MONO 0
>> +#define DE_CONTROL_PATTERN_COLOR 1
>> +#define DE_CONTROL_UPDATE_DESTINATION_X F(29 : 29)
>> +#define DE_CONTROL_UPDATE_DESTINATION_X_DISABLE 0
>> +#define DE_CONTROL_UPDATE_DESTINATION_X_ENABLE 1
>> +#define DE_CONTROL_QUICK_START F(28 : 28)
>> +#define DE_CONTROL_QUICK_START_DISABLE 0
>> +#define DE_CONTROL_QUICK_START_ENABLE 1
>> +#define DE_CONTROL_DIRECTION F(27 : 27)
>> +#define DE_CONTROL_DIRECTION_LEFT_TO_RIGHT 0
>> +#define DE_CONTROL_DIRECTION_RIGHT_TO_LEFT 1
>> +#define DE_CONTROL_MAJOR F(26 : 26)
>> +#define DE_CONTROL_MAJOR_X 0
>> +#define DE_CONTROL_MAJOR_Y 1
>> +#define DE_CONTROL_STEP_X F(25 : 25)
>> +#define DE_CONTROL_STEP_X_POSITIVE 1
>> +#define DE_CONTROL_STEP_X_NEGATIVE 0
>> +#define DE_CONTROL_STEP_Y F(24 : 24)
>> +#define DE_CONTROL_STEP_Y_POSITIVE 1
>> +#define DE_CONTROL_STEP_Y_NEGATIVE 0
>> +#define DE_CONTROL_STRETCH F(23 : 23)
>> +#define DE_CONTROL_STRETCH_DISABLE 0
>> +#define DE_CONTROL_STRETCH_ENABLE 1
>> +#define DE_CONTROL_HOST F(22 : 22)
>> +#define DE_CONTROL_HOST_COLOR 0
>> +#define DE_CONTROL_HOST_MONO 1
>> +#define DE_CONTROL_LAST_PIXEL F(21 : 21)
>> +#define DE_CONTROL_LAST_PIXEL_OFF 0
>> +#define DE_CONTROL_LAST_PIXEL_ON 1
>> +#define DE_CONTROL_COMMAND F(20 : 16)
>> +#define DE_CONTROL_COMMAND_BITBLT 0
>> +#define DE_CONTROL_COMMAND_RECTANGLE_FILL 1
>> +#define DE_CONTROL_COMMAND_DE_TILE 2
>> +#define DE_CONTROL_COMMAND_TRAPEZOID_FILL 3
>> +#define DE_CONTROL_COMMAND_ALPHA_BLEND 4
>> +#define DE_CONTROL_COMMAND_RLE_STRIP 5
>> +#define DE_CONTROL_COMMAND_SHORT_STROKE 6
>> +#define DE_CONTROL_COMMAND_LINE_DRAW 7
>> +#define DE_CONTROL_COMMAND_HOST_WRITE 8
>> +#define DE_CONTROL_COMMAND_HOST_READ 9
>> +#define DE_CONTROL_COMMAND_HOST_WRITE_BOTTOM_UP 10
>> +#define DE_CONTROL_COMMAND_ROTATE 11
>> +#define DE_CONTROL_COMMAND_FONT 12
>> +#define DE_CONTROL_COMMAND_TEXTURE_LOAD 15
>> +#define DE_CONTROL_ROP_SELECT F(15 : 15)
>> +#define DE_CONTROL_ROP_SELECT_ROP3 0
>> +#define DE_CONTROL_ROP_SELECT_ROP2 1
>> +#define DE_CONTROL_ROP2_SOURCE F(14 : 14)
>> +#define DE_CONTROL_ROP2_SOURCE_BITMAP 0
>> +#define DE_CONTROL_ROP2_SOURCE_PATTERN 1
>> +#define DE_CONTROL_MONO_DATA F(13 : 12)
>> +#define DE_CONTROL_MONO_DATA_NOT_PACKED 0
>> +#define DE_CONTROL_MONO_DATA_8_PACKED 1
>> +#define DE_CONTROL_MONO_DATA_16_PACKED 2
>> +#define DE_CONTROL_MONO_DATA_32_PACKED 3
>> +#define DE_CONTROL_REPEAT_ROTATE F(11 : 11)
>> +#define DE_CONTROL_REPEAT_ROTATE_DISABLE 0
>> +#define DE_CONTROL_REPEAT_ROTATE_ENABLE 1
>> +#define DE_CONTROL_TRANSPARENCY_MATCH F(10 : 10)
>> +#define DE_CONTROL_TRANSPARENCY_MATCH_OPAQUE 0
>> +#define DE_CONTROL_TRANSPARENCY_MATCH_TRANSPARENT 1
>> +#define DE_CONTROL_TRANSPARENCY_SELECT F(9 : 9)
>> +#define DE_CONTROL_TRANSPARENCY_SELECT_SOURCE 0
>> +#define DE_CONTROL_TRANSPARENCY_SELECT_DESTINATION 1
>> +#define DE_CONTROL_TRANSPARENCY F(8 : 8)
>> +#define DE_CONTROL_TRANSPARENCY_DISABLE 0
>> +#define DE_CONTROL_TRANSPARENCY_ENABLE 1
>> +#define DE_CONTROL_ROP F(7 : 0)
>> +
>> +/* Pseudo fields. */
>> +
>> +#define DE_CONTROL_SHORT_STROKE_DIR F(27 : 24)
>> +#define DE_CONTROL_SHORT_STROKE_DIR_225 0
>> +#define DE_CONTROL_SHORT_STROKE_DIR_135 1
>> +#define DE_CONTROL_SHORT_STROKE_DIR_315 2
>> +#define DE_CONTROL_SHORT_STROKE_DIR_45 3
>> +#define DE_CONTROL_SHORT_STROKE_DIR_270 4
>> +#define DE_CONTROL_SHORT_STROKE_DIR_90 5
>> +#define DE_CONTROL_SHORT_STROKE_DIR_180 8
>> +#define DE_CONTROL_SHORT_STROKE_DIR_0 10
>> +#define DE_CONTROL_ROTATION F(25 : 24)
>> +#define DE_CONTROL_ROTATION_0 0
>> +#define DE_CONTROL_ROTATION_270 1
>> +#define DE_CONTROL_ROTATION_90 2
>> +#define DE_CONTROL_ROTATION_180 3
>> +
>> +#define DE_PITCH 0x000010
>> +#define DE_PITCH_DESTINATION F(28 : 16)
>> +#define DE_PITCH_SOURCE F(12 : 0)
>> +
>> +#define DE_FOREGROUND 0x000014
>> +
>> +#define DE_BACKGROUND 0x000018
>> +
>> +#define DE_STRETCH_FORMAT 0x00001C
>> +#define DE_STRETCH_FORMAT_PATTERN_XY F(30 : 30)
>> +#define DE_STRETCH_FORMAT_PATTERN_XY_NORMAL 0
>> +#define DE_STRETCH_FORMAT_PATTERN_XY_OVERWRITE 1
>> +#define DE_STRETCH_FORMAT_PATTERN_Y F(29 : 27)
>> +#define DE_STRETCH_FORMAT_PATTERN_X F(25 : 23)
>> +#define DE_STRETCH_FORMAT_PIXEL_FORMAT F(21 : 20)
>> +#define DE_STRETCH_FORMAT_PIXEL_FORMAT_8 0
>> +#define DE_STRETCH_FORMAT_PIXEL_FORMAT_16 1
>> +#define DE_STRETCH_FORMAT_PIXEL_FORMAT_32 2
>> +#define DE_STRETCH_FORMAT_PIXEL_FORMAT_24 3
>> +
>> +#define DE_STRETCH_FORMAT_ADDRESSING F(19 : 16)
>> +#define DE_STRETCH_FORMAT_ADDRESSING_XY 0
>> +#define DE_STRETCH_FORMAT_ADDRESSING_LINEAR 15
>> +#define DE_STRETCH_FORMAT_SOURCE_HEIGHT F(11 : 0)
>> +
>> +#define DE_COLOR_COMPARE 0x000020
>> +
>> +#define DE_COLOR_COMPARE_MASK 0x000024
>> +
>> +#define DE_MASKS 0x000028
>> +
>> +#define DE_CLIP_TL 0x00002C
>> +
>> +#define DE_CLIP_BR 0x000030
>> +
>> +#define DE_WINDOW_WIDTH 0x00003C
>> +#define DE_WINDOW_WIDTH_DESTINATION F(28 : 16)
>> +#define DE_WINDOW_WIDTH_SOURCE F(12 : 0)
>> +
>> +#define DE_WINDOW_SOURCE_BASE 0x000040
>> +#define DE_WINDOW_SOURCE_BASE_EXT F(27 : 27)
>> +#define DE_WINDOW_SOURCE_BASE_EXT_LOCAL 0
>> +#define DE_WINDOW_SOURCE_BASE_EXT_EXTERNAL 1
>> +#define DE_WINDOW_SOURCE_BASE_CS F(26 : 26)
>> +#define DE_WINDOW_SOURCE_BASE_CS_0 0
>> +#define DE_WINDOW_SOURCE_BASE_CS_1 1
>> +#define DE_WINDOW_SOURCE_BASE_ADDRESS F(25 : 0)
>> +
>> +#define DE_WINDOW_DESTINATION_BASE 0x000044
>> +#define DE_WINDOW_DESTINATION_BASE_EXT F(27 : 27)
>> +#define DE_WINDOW_DESTINATION_BASE_EXT_LOCAL 0
>> +#define DE_WINDOW_DESTINATION_BASE_EXT_EXTERNAL 1
>> +#define DE_WINDOW_DESTINATION_BASE_CS F(26 : 26)
>> +#define DE_WINDOW_DESTINATION_BASE_CS_0 0
>> +#define DE_WINDOW_DESTINATION_BASE_CS_1 1
>> +#define DE_WINDOW_DESTINATION_BASE_ADDRESS F(25 : 0)
>> +
>> +/* Internal macros */
>> +#define _F_START(f) (0 ? f)
>> +#define _F_END(f) (1 ? f)
> Why do you even need these ?
>
f is a subfiled of a register,
eg: f(18:15) means bit15-18
so, _F_START(18:15) = 18, _F_END(18:15) = 15
>> +#define _F_SIZE(f) (1 + _F_END(f) - _F_START(f))
>> +#define _F_MASK(f) (((1 << _F_SIZE(f)) - 1) << _F_START(f))
>> +#define _F_NORMALIZE(v, f) (((v) & _F_MASK(f)) >> _F_START(f))
>> +#define _F_DENORMALIZE(v, f) (((v) << _F_START(f)) & _F_MASK(f))
>> +
>> +/* Global macros */
>> +#define FIELD_GET(x, reg, field) \
>> +( \
>> + _F_NORMALIZE((x), reg ## _ ## field) \
>> +)
>> +
>> +#define FIELD_SET(x, reg, field, value) \
>> +( \
>> + (x & ~_F_MASK(reg ## _ ## field)) \
>> + | _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \
>> +)
>> +
>> +#define FIELD_VALUE(x, reg, field, value) \
>> +( \
>> + (x & ~_F_MASK(reg ## _ ## field)) \
>> + | _F_DENORMALIZE(value, reg ## _ ## field) \
>> +)
>> +
>> +#define FIELD_CLEAR(reg, field) \
>> +( \
>> + ~_F_MASK(reg ## _ ## field) \
>> +)
>> +
>> +/* Field Macros */
>> +#define FIELD_START(field) (0 ? field)
>> +#define FIELD_END(field) (1 ? field)
> Same goes here ?
Looks define twice.
>
>> +#define FIELD_SIZE(field) \
>> + (1 + FIELD_END(field) - FIELD_START(field))
>> +#define FIELD_MASK(field) \
>> + (((1 << (FIELD_SIZE(field) - 1)) |\
>> + ((1 << (FIELD_SIZE(field) - 1)) - 1)) << FIELD_START(field))
>> +#define FIELD_NORMALIZE(reg, field) \
>> + (((reg) & FIELD_MASK(field)) >> FIELD_START(field))
>> +#define FIELD_DENORMALIZE(field, value) \
>> + (((value) << FIELD_START(field)) & FIELD_MASK(field))
>> +#define RGB(r, g, b) \
>> +( \
>> + (unsigned long)(((r) << 16) | ((g) << 8) | (b)) \
>> +)
>> +
>> +#define PEEK32(addr) readl((addr) + mmio_bmc_vga)
>> +#define POKE32(addr, data) writel((data), (addr) + mmio_bmc_vga)
>> +extern unsigned char __iomem *mmio_bmc_vga;
>> +
>> +#define PADDING(align, data) (((data) + (align) - 1) & (~((align) - 1)))
>> +
>> +#define MB(x) ((x) << 20)
>> +
>> +void set_power_mode(unsigned int power_mode);
>> +void set_current_gate(unsigned int gate);
>> +
> In general you want to have your symbols (be that macros or functions)
> prefixed appropriatelly, otherwise they will clash with others in the
> kernel.
> A handful of the internal/field macros seems like they should not
> exist and/or there's an existing kernel equivalent. I would suggest
> looking at other DRM drivers and how they deal with the above.
OK, i will check again and then fix it. thanks for your comment.
>
> Regards,
> Emil
>
> .
>
--
Regards,
Rongrong
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