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fbdev: add ls2k500sfb driver for ls2k500 bmc. 

Upstream: no

Signed-off-by: Chong Qiao <qiaochong@loongson.cn>
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Signed-off-by: Ming Wang <wangming01@loongson.cn>
This commit is contained in:
Chong Qiao 2023-12-11 10:03:10 +08:00 committed by aurelianliu
parent 7ff35c7fa4
commit 3a50da023f
3 changed files with 802 additions and 0 deletions
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13
drivers/video/fbdev/Kconfig
View File

@ -1950,6 +1950,19 @@ config FB_SM712
called sm712fb. If you want to compile it as a module, say M
here and read <file:Documentation/kbuild/modules.rst>.
config FB_LS2K500
tristate "Loongson LS2K500 frame buffer support"
depends on FB && PCI
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
help
Frame buffer driver for the Loongson LS7A Platform-Bridge.
This driver is also available as a module.
If you want to compile it as a module, say M here and read
<file:Documentation/kbuild/modules.rst>.
source "drivers/video/fbdev/omap/Kconfig"
source "drivers/video/fbdev/omap2/Kconfig"
source "drivers/video/fbdev/mmp/Kconfig"

1
drivers/video/fbdev/Makefile
View File

@ -128,3 +128,4 @@ obj-$(CONFIG_FB_SIMPLE) += simplefb.o
# the test framebuffer is last
obj-$(CONFIG_FB_VIRTUAL) += vfb.o
obj-$(CONFIG_FB_LS2K500) += ls2k500sfb.o

788
drivers/video/fbdev/ls2k500sfb.c Normal file
View File

@ -0,0 +1,788 @@
// SPDX-License-Identifier: GPL-2.0
/*
*
* linux/drivers/video/ls2k500sfb.c
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/gpio/driver.h>
#include <linux/aperture.h>
#include <linux/uaccess.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/platform_data/simplefb.h>
#include <linux/umh.h>
#include <linux/vt_kern.h>
#include <linux/kbd_kern.h>
#include <linux/console.h>
#include <linux/acpi.h>
#include <linux/gpio.h>
#include <linux/smp.h>
#include <linux/nmi.h>
#include <linux/gpio/machine.h>
static char mode_option[32] = "1280x1024-32@2M";
module_param_string(mode, mode_option, sizeof(mode_option), 0444);
static int useshell;
module_param(useshell, int, 0664);
static int totty = 18;
module_param(totty, int, 0664);
static int resetdelay = 60;
module_param(resetdelay, int, 0664);
static int resetbootwait = 10;
module_param(resetbootwait, int, 0664);
static int GPIO = 14;
module_param(GPIO, int, 0664);
struct ls2k500sfb_struct {
struct pci_dev *dev;
struct platform_device *pd;
struct workqueue_struct *wq;
struct work_struct work;
struct delayed_work redraw_work;
int running;
unsigned long reset_time;
char *penv;
char saved_env[16];
};
static int saved_console;
static unsigned long mscycles;
static atomic_t waiting_for_pciebreak_ipi;
static int switch_console(int console)
{
struct file *filp;
filp = filp_open("/dev/tty1", O_RDWR, 0);
if (IS_ERR(filp))
return -ENODEV;
vfs_ioctl(filp, VT_ACTIVATE, console + 1);
filp_close(filp, NULL);
return 0;
}
static void ls2k500sfb_pciebreak_func(void *unused)
{
atomic_dec(&waiting_for_pciebreak_ipi);
while (atomic_read(&waiting_for_pciebreak_ipi))
cpu_relax();
}
static void pciebreak_smp_send_stop(int ms)
{
/* Wait at most 100 msecond for the other cpus to stop */
unsigned long max_cycles = mscycles * ms;
unsigned long start_time = get_cycles();
atomic_set(&waiting_for_pciebreak_ipi, num_online_cpus());
smp_call_function(ls2k500sfb_pciebreak_func, NULL, false);
while ((atomic_read(&waiting_for_pciebreak_ipi) > 1)
&& get_cycles() - start_time < max_cycles) {
cpu_relax();
}
if (atomic_read(&waiting_for_pciebreak_ipi) > 1)
pr_emerg("Non-pciebreaking CPUs did not react to IPI\n");
}
static void ls2k500sfb_redraw_fn(struct work_struct *work)
{
struct ls2k500sfb_struct *priv =
container_of(work, struct ls2k500sfb_struct, redraw_work.work);
/*restore resolution info */
if (memcmp(priv->penv, priv->saved_env, sizeof(priv->saved_env)))
memcpy(priv->penv, priv->saved_env, sizeof(priv->saved_env));
switch_console(saved_console);
}
static void ls2k500sfb_events_fn(struct work_struct *work)
{
struct ls2k500sfb_struct *priv = container_of(work, struct ls2k500sfb_struct, work);
struct pci_dev *pdev = priv->dev;
struct pci_dev *ppdev = pdev->bus->self;
uint32_t i, d, timeout, retry = 0;
static const uint32_t index[] = {
0x10, 0x14, 0x18, 0x1c, 0x20, 0x24, 0x30, 0x3c, 0x54, 0x58, 0x78, 0x7c, 0x80, 4
};
static uint32_t data[sizeof(index) / 4];
static const uint32_t cindex[] = { 0x10, 0x3c, 4 };
static uint32_t cdata[sizeof(cindex) / 4];
static uint32_t d80c, d71c, ctrl;
static void *p;
if (!priv->running) {
for (i = 0; i < ARRAY_SIZE(index); i++)
pci_read_config_dword(ppdev, index[i], &data[i]);
for (i = 0; i < ARRAY_SIZE(cindex); i++)
pci_read_config_dword(pdev, cindex[i], &cdata[i]);
if (ppdev->vendor == 0x14) {
pci_read_config_dword(ppdev, 0x80c, &d80c);
d80c = (d80c & ~(3 << 17)) | (1 << 17);
pci_read_config_dword(ppdev, 0x71c, &d71c);
d71c |= 1 << 26;
p = pci_iomap(ppdev, 0, 0x100);
}
ctrl = readl(p);
return;
}
local_bh_disable();
pciebreak_smp_send_stop(100);
wmb(); /* flush all write before we disable pcie window */
pci_write_config_dword(ppdev, 0x18, 0);
pci_write_config_dword(ppdev, 0x1c, 0);
pci_write_config_dword(ppdev, 0x20, 0);
atomic_set(&waiting_for_pciebreak_ipi, 0);
wmb(); /* flush all write after change pcie window */
local_bh_enable();
if (ppdev->vendor == 0x14) {
timeout = 10000;
while (timeout) {
pci_read_config_dword(ppdev, 0x10, &d);
d &= ~0xf;
if (!d)
break;
mdelay(1);
timeout--;
};
if (!timeout)
pr_info("bar not clear 0\n");
pci_read_config_dword(ppdev, 0x0, &d);
pr_info("pcie port deviceid=0x%x recover begin\n", d);
retrain:
while (1) {
pci_write_config_dword(ppdev, index[0], data[0]);
pci_read_config_dword(ppdev, index[0], &d);
d &= ~0xf;
if (d)
break;
mdelay(1);
}
while (1) {
for (i = 0; i < ARRAY_SIZE(index); i++) {
if (index[i] != 0x18 && index[i] != 0x1c && index[i] != 0x20)
pci_write_config_dword(ppdev, index[i], data[i]);
}
pci_write_config_dword(ppdev, 0x80c, d80c);
pci_write_config_dword(ppdev, 0x71c, d71c);
pci_read_config_dword(ppdev, 0x10, &d);
d &= ~0xf;
if (d)
break;
mdelay(1);
}
timeout = 10000;
writel(ctrl | 0x8, p);
while (1) {
d = readl(p + 0xc);
if ((d & 0x11) == 0x11) {
break;
} else if (!timeout) {
pr_info("pcie train failed status=0x%x\n", d);
goto out;
}
mdelay(1);
timeout--;
}
pr_info("pcie recovered done\n");
if (!retry) {
/*wait u-boot ddr config */
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ*resetbootwait);
set_current_state(TASK_RUNNING);
pci_read_config_dword(ppdev, 0x10, &d);
d &= ~0xf;
if (!d) {
retry = 1;
goto retrain;
}
}
} else {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ*resetbootwait);
set_current_state(TASK_RUNNING);
}
local_bh_disable();
pciebreak_smp_send_stop(10000);
wmb(); /* flush all write before we update pcie window */
for (i = 0; i < ARRAY_SIZE(index); i++)
pci_write_config_dword(ppdev, index[i], data[i]);
for (i = 0; i < ARRAY_SIZE(cindex); i++)
pci_write_config_dword(pdev, cindex[i], cdata[i]);
atomic_set(&waiting_for_pciebreak_ipi, 0);
wmb(); /* flush all write after we update pcie window */
local_bh_enable();
pr_info("redraw console\n");
saved_console = fg_console;
switch_console(fg_console > 0?fg_console - 1 : fg_console + 1);
queue_delayed_work(priv->wq, &priv->redraw_work, HZ);
out:
priv->running = 0;
}
irqreturn_t ls2k500sfb_interrupt(int irq, void *arg)
{
struct ls2k500sfb_struct *priv = arg;
struct pci_dev *pdev = priv->dev;
if (irq == pdev->irq)
pr_info("ls2k500sfb pcie interrupt\n");
else
pr_info("ls2k500sfb gpio interrupt\n");
if (system_state != SYSTEM_RUNNING)
return IRQ_HANDLED;
if (!priv->running) {
if (!resetdelay || time_after(jiffies, priv->reset_time + resetdelay * HZ)) {
priv->running = 1;
queue_work(priv->wq, &priv->work);
}
priv->reset_time = jiffies;
}
return IRQ_HANDLED;
}
#ifdef CONFIG_LOONGARCH
#define GPIO_OEN ((void *)IO_BASE+0x1fe00000+0x500)
#define GPIO_FUNCEN ((void *)IO_BASE+0x1fe00000+0x504)
#define GPIO_OUT ((void *)IO_BASE+0x1fe00000+0x508)
#define GPIO_IN ((void *)IO_BASE+0x1fe00000+0x50c)
#define GPIO_INTPOL ((void *)IO_BASE+0x1fe00000+0x510)
#define GPIO_INTEN ((void *)IO_BASE+0x1fe00000+0x514)
static int gpiochip_match_name(struct gpio_chip *chip, void *data)
{
const char *name = data;
return !strcmp(chip->label, name);
}
static int get_gpio_irq_from_acpi_table(int gpio)
{
struct gpio_chip *chip;
struct gpio_desc *desc;
chip = gpiochip_find("LOON0007:00", gpiochip_match_name);
if (!chip)
return -ENOENT;
desc = gpiochip_request_own_desc(chip, gpio, "reboot", GPIO_LOOKUP_FLAGS_DEFAULT, GPIOD_IN);
if (!desc)
return -ENOENT;
return gpiod_to_irq(desc);
}
static int get_gpio_irq_from_acpi_gsi(int gpio)
{
int gsi = 16 + (gpio & 7);
return acpi_register_gsi(NULL, gsi, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW);
}
static int register_gpio_reboot_handler(struct ls2k500sfb_struct *priv)
{
int irq = get_gpio_irq_from_acpi_table(GPIO);
if (irq < 0) {
irq = get_gpio_irq_from_acpi_gsi(GPIO);
pr_notice("gsi gpio irq %d\n", irq);
} else
pr_notice("acpi gpio irq %d\n", irq);
writel(readl(GPIO_OEN) | (0x1 << GPIO), GPIO_OEN);
writel(readl(GPIO_FUNCEN) & ~(0x1 << GPIO), GPIO_FUNCEN);
writel(readl(GPIO_INTPOL) & ~(0x1 << GPIO), GPIO_INTPOL);
writel(readl(GPIO_INTEN) | (0x1 << GPIO), GPIO_INTEN);
if (request_irq(irq, ls2k500sfb_interrupt, IRQF_SHARED | IRQF_TRIGGER_FALLING,
"ls2k500sfb", priv))
pr_err("request_irq(%d) failed\n", irq);
return 0;
}
#endif
static const struct fb_fix_screeninfo simplefb_fix = {
.id = "simple",
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.accel = FB_ACCEL_NONE,
};
static const struct fb_var_screeninfo simplefb_var = {
.height = -1,
.width = -1,
.activate = FB_ACTIVATE_NOW,
.vmode = FB_VMODE_NONINTERLACED,
};
#define PSEUDO_PALETTE_SIZE 16
struct simplefb_par {
char *penv;
char *preg;
u32 palette[PSEUDO_PALETTE_SIZE];
};
static u_long get_line_length(int xres_virtual, int bpp)
{
u_long length;
length = xres_virtual * bpp;
length = (length + 31) & ~31;
length >>= 3;
return length;
}
static int simplefb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
u_long line_length;
/*
* FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal!
* as FB_VMODE_SMOOTH_XPAN is only used internally
*/
if (var->vmode & FB_VMODE_CONUPDATE) {
var->vmode |= FB_VMODE_YWRAP;
var->xoffset = info->var.xoffset;
var->yoffset = info->var.yoffset;
}
/*
* Some very basic checks
*/
if (!var->xres)
var->xres = 1;
if (!var->yres)
var->yres = 1;
if (var->xres > var->xres_virtual)
var->xres_virtual = var->xres;
if (var->yres > var->yres_virtual)
var->yres_virtual = var->yres;
if (var->bits_per_pixel <= 16)
var->bits_per_pixel = 16;
else if (var->bits_per_pixel <= 32)
var->bits_per_pixel = 32;
else
return -EINVAL;
if (var->xres_virtual < var->xoffset + var->xres)
var->xres_virtual = var->xoffset + var->xres;
if (var->yres_virtual < var->yoffset + var->yres)
var->yres_virtual = var->yoffset + var->yres;
/*
* Memory limit
*/
line_length =
get_line_length(var->xres_virtual, var->bits_per_pixel);
if (line_length * var->yres_virtual > info->fix.smem_len)
return -ENOMEM;
/*
* Now that we checked it we alter var. The reason being is that the video
* mode passed in might not work but slight changes to it might make it
* work. This way we let the user know what is acceptable.
*/
switch (var->bits_per_pixel) {
case 16: /* BGR 565 */
var->red.offset = 11;
var->red.length = 5;
var->green.offset = 5;
var->green.length = 6;
var->blue.offset = 0;
var->blue.length = 5;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 32: /* BGRA 8888 */
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 8;
var->green.length = 8;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 24;
var->transp.length = 8;
break;
}
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
var->transp.msb_right = 0;
return 0;
}
static int simplefb_set_par(struct fb_info *info)
{
struct simplefb_par *par = info->par;
int reg_val;
info->fix.line_length = get_line_length(info->var.xres_virtual,
info->var.bits_per_pixel);
sprintf(par->penv, "video=%dx%d-%d@2M",
info->var.xres_virtual,
info->var.yres_virtual,
info->var.bits_per_pixel);
reg_val = readl(par->preg);
writel(reg_val + 1, par->preg);
return 0;
}
static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
u32 *pal = info->pseudo_palette;
u32 cr = red >> (16 - info->var.red.length);
u32 cg = green >> (16 - info->var.green.length);
u32 cb = blue >> (16 - info->var.blue.length);
u32 value;
if (regno >= PSEUDO_PALETTE_SIZE)
return -EINVAL;
value = (cr << info->var.red.offset) |
(cg << info->var.green.offset) |
(cb << info->var.blue.offset);
if (info->var.transp.length > 0) {
u32 mask = (1 << info->var.transp.length) - 1;
mask <<= info->var.transp.offset;
value |= mask;
}
pal[regno] = value;
return 0;
}
static void simplefb_destroy(struct fb_info *info)
{
if (info->screen_base)
iounmap(info->screen_base);
}
static const struct fb_ops simplefb_ops = {
.owner = THIS_MODULE,
.fb_destroy = simplefb_destroy,
.fb_setcolreg = simplefb_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_check_var = simplefb_check_var,
.fb_set_par = simplefb_set_par,
};
static struct simplefb_format simplefb_formats[] = SIMPLEFB_FORMATS;
struct simplefb_params {
u32 width;
u32 height;
u32 stride;
struct simplefb_format *format;
};
static int simplefb_parse_pd(struct platform_device *pdev,
struct simplefb_params *params)
{
struct simplefb_platform_data *pd = dev_get_platdata(&pdev->dev);
int i;
params->width = pd->width;
params->height = pd->height;
params->stride = pd->stride;
params->format = NULL;
for (i = 0; i < ARRAY_SIZE(simplefb_formats); i++) {
if (strcmp(pd->format, simplefb_formats[i].name))
continue;
params->format = &simplefb_formats[i];
break;
}
if (!params->format) {
dev_err(&pdev->dev, "Invalid format value\n");
return -EINVAL;
}
return 0;
}
static int simplefb_probe(struct platform_device *pdev)
{
int ret;
struct simplefb_params params;
struct fb_info *info;
struct simplefb_par *par;
struct resource *mem, *envmem, *regmem;
ret = simplefb_parse_pd(pdev, &params);
if (ret)
return ret;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
envmem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
regmem = platform_get_resource(pdev, IORESOURCE_MEM, 2);
if (!mem || !envmem || !regmem) {
dev_err(&pdev->dev, "No memory resource\n");
return -EINVAL;
}
info = framebuffer_alloc(sizeof(struct simplefb_par), &pdev->dev);
if (!info)
return -ENOMEM;
platform_set_drvdata(pdev, info);
par = info->par;
par->penv = ioremap(envmem->start, resource_size(envmem));
par->preg = ioremap(regmem->start, resource_size(regmem));
info->fix = simplefb_fix;
info->fix.smem_start = mem->start;
info->fix.smem_len = resource_size(mem);
info->fix.line_length = params.stride;
info->var = simplefb_var;
info->var.xres = params.width;
info->var.yres = params.height;
info->var.xres_virtual = params.width;
info->var.yres_virtual = params.height;
info->var.bits_per_pixel = params.format->bits_per_pixel;
info->var.red = params.format->red;
info->var.green = params.format->green;
info->var.blue = params.format->blue;
info->var.transp = params.format->transp;
ret = devm_aperture_acquire_for_platform_device(pdev,
info->fix.smem_start,
info->fix.smem_len);
if (ret) {
dev_info(&pdev->dev, "cannot acquire aperture\n");
goto error_fb_release;
}
info->fbops = &simplefb_ops;
info->flags = 0;
info->screen_base = ioremap_wc(info->fix.smem_start,
info->fix.smem_len);
if (!info->screen_base) {
ret = -ENOMEM;
goto error_fb_release;
}
info->pseudo_palette = par->palette;
dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
info->fix.smem_start, info->fix.smem_len,
info->screen_base);
dev_info(&pdev->dev, "format=%s, mode=%dx%dx%d, linelength=%d\n",
params.format->name,
info->var.xres, info->var.yres,
info->var.bits_per_pixel, info->fix.line_length);
ret = register_framebuffer(info);
if (ret < 0) {
dev_err(&pdev->dev, "Unable to register simplefb: %d\n", ret);
goto error_fb_release;
} else
dev_info(&pdev->dev, "fb%d: simplefb registered!\n", info->node);
local_irq_disable();
mscycles = get_cycles();
mdelay(1);
mscycles = get_cycles() - mscycles;
local_irq_enable();
return ret;
error_fb_release:
framebuffer_release(info);
return ret;
}
static int simplefb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
unregister_framebuffer(info);
framebuffer_release(info);
return 0;
}
static struct platform_driver simplefb_driver = {
.driver = {
.name = "virt-framebuffer",
},
.probe = simplefb_probe,
.remove = simplefb_remove,
};
static int ls2k500sfb_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct simplefb_platform_data mode;
struct resource res[3];
struct platform_device *pd;
struct ls2k500sfb_struct *priv;
long phybase, videooffset, videomemorysize;
char *pmode = mode_option;
int depth;
char *penv;
int ret, i;
if (!dev->bus->number || pci_enable_device(dev))
return -ENODEV;
priv = kzalloc(sizeof(struct ls2k500sfb_struct), GFP_KERNEL);
priv->dev = dev;
/* pcimem bar last 16M free, 2MB offset from free for framebuffer */
phybase = pci_resource_start(dev, 0);
phybase += pci_resource_len(dev, 0) - 0x1000000;
penv = ioremap(phybase, 0x100000);
/*env at last 16M's beginning, first env is video */
if (!strncmp(penv, "video=", 6))
pmode = penv + 6;
priv->penv = penv + 6;
memcpy(priv->saved_env, priv->penv, sizeof(priv->saved_env));
mode.width = simple_strtoul(pmode, &pmode, 0);
pmode++;
mode.height = simple_strtoul(pmode, &pmode, 0);
pmode++;
depth = simple_strtoul(pmode, &pmode, 0);
if (pmode && pmode[0]) {
pmode++;
videooffset = simple_strtoul(pmode, &pmode, 0);
if (pmode && pmode[0]) {
switch (pmode[0]) {
case 'M':
case 'm':
videooffset *= 0x100000;
break;
case 'K':
case 'k':
videooffset *= 1024;
break;
}
}
} else
videooffset = 0x200000;
mode.stride = mode.width * depth / 8;
mode.format = depth == 32 ? "a8r8g8b8" : "r5g6b5";
videomemorysize = 0x400000;
memset(res, 0, sizeof(res));
res[0].start = phybase + videooffset;
res[0].end = phybase + videooffset + videomemorysize - 1;
res[0].flags = IORESOURCE_MEM;
res[0].parent = &dev->resource[0];
res[1].start = phybase;
res[1].end = phybase + 64 - 1;
res[1].flags = IORESOURCE_MEM;
res[1].parent = &dev->resource[0];
res[2].start = phybase + 0x00f00014;
res[2].end = phybase + 0x00f0001c - 1;
res[2].flags = IORESOURCE_MEM;
res[2].parent = &dev->resource[0];
priv->pd = pd = platform_device_register_resndata(NULL, "virt-framebuffer", 0,
res, 3, &mode, sizeof(mode));
ret = platform_driver_register(&simplefb_driver);
if (ret)
return ret;
priv->wq = create_singlethread_workqueue("ls2k500sfb wq");
INIT_WORK(&priv->work, ls2k500sfb_events_fn);
INIT_DELAYED_WORK(&priv->redraw_work, ls2k500sfb_redraw_fn);
ls2k500sfb_events_fn(&priv->work);
if (request_irq(dev->irq, ls2k500sfb_interrupt, IRQF_SHARED | IRQF_TRIGGER_RISING,
"ls2k500sfb", priv))
pr_err("request_irq(%d) failed\n", dev->irq);
#ifdef CONFIG_LOONGARCH
register_gpio_reboot_handler(priv);
#endif
pci_set_drvdata(dev, priv);
for (i = 0; i < 5; i++) {
res[0].start = phybase + 0x00f00000 + 0x1c*i;
res[0].end = phybase + 0x00f00000 + 0x1c*(i+1) - 1;
platform_device_register_simple("ipmi_ls2k500_si", i, res, 1);
}
return PTR_ERR_OR_ZERO(pd);
}
static void ls2k500sfb_remove(struct pci_dev *dev)
{
struct ls2k500sfb_struct *priv = pci_get_drvdata(dev);
platform_device_del(priv->pd);
}
static struct pci_device_id ls2k500sfb_devices[] = {
{PCI_DEVICE(0x14, 0x1a05)},
{0, 0, 0, 0, 0, 0, 0}
};
MODULE_DEVICE_TABLE(pci, ls2k500sfb_devices);
static struct pci_driver ls2k500sfb_driver = {
.name = "ls2k500sfb",
.id_table = ls2k500sfb_devices,
.probe = ls2k500sfb_probe,
.remove = ls2k500sfb_remove,
.driver = {
.name = "ls2k500sfb",
},
};
static int __init ls2k500sfb_init(void)
{
return pci_register_driver(&ls2k500sfb_driver);
}
module_init(ls2k500sfb_init);
#ifdef MODULE
static void __exit ls2k500sfb_exit(void)
{
pci_unregister_driver(&ls2k500sfb_driver);
}
module_exit(ls2k500sfb_exit);
#endif
MODULE_LICENSE("GPL");