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dm: pci: video: Convert video and pci_rom to use DM PCI API

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Adjust these files to use the driver-model PCI API instead of the legacy
functions.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-11-29 13:17:57 -07:00
parent 7d8e4042f1
commit 3f4e1e8efc
5 changed files with 36 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/cpu/ivybridge/gma.c
View File

@ -756,8 +756,8 @@ int gma_func0_init(struct udevice *dev, const void *blob, int node)
#ifdef CONFIG_VIDEO
start = get_timer(0);
ret = pci_run_vga_bios(dm_pci_get_bdf(dev), int15_handler,
PCI_ROM_USE_NATIVE | PCI_ROM_ALLOW_FALLBACK);
ret = dm_pci_run_vga_bios(dev, int15_handler,
PCI_ROM_USE_NATIVE | PCI_ROM_ALLOW_FALLBACK);
debug("BIOS ran in %lums\n", get_timer(start));
#endif
/* Post VBIOS init */

3
drivers/pci/Makefile
View File

@ -6,6 +6,7 @@
#
ifneq ($(CONFIG_DM_PCI),)
obj-y += pci_rom.o
obj-$(CONFIG_PCI) += pci-uclass.o pci_auto.o
obj-$(CONFIG_DM_PCI_COMPAT) += pci_compat.o
obj-$(CONFIG_PCI_SANDBOX) += pci_sandbox.o
@ -14,7 +15,7 @@ obj-$(CONFIG_X86) += pci_x86.o
else
obj-$(CONFIG_PCI) += pci.o pci_auto_old.o
endif
obj-$(CONFIG_PCI) += pci_auto_common.o pci_common.o pci_rom.o
obj-$(CONFIG_PCI) += pci_auto_common.o pci_common.o
obj-$(CONFIG_FSL_PCI_INIT) += fsl_pci_init.o
obj-$(CONFIG_PCI_INDIRECT_BRIDGE) += pci_indirect.o

51
drivers/pci/pci_rom.c
View File

@ -25,6 +25,7 @@
#include <common.h>
#include <bios_emul.h>
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <pci.h>
@ -33,12 +34,12 @@
#include <video_fb.h>
#include <linux/screen_info.h>
__weak bool board_should_run_oprom(pci_dev_t dev)
__weak bool board_should_run_oprom(struct udevice *dev)
{
return true;
}
static bool should_load_oprom(pci_dev_t dev)
static bool should_load_oprom(struct udevice *dev)
{
if (IS_ENABLED(CONFIG_ALWAYS_LOAD_OPROM))
return 1;
@ -53,21 +54,18 @@ __weak uint32_t board_map_oprom_vendev(uint32_t vendev)
return vendev;
}
static int pci_rom_probe(pci_dev_t dev, uint class,
struct pci_rom_header **hdrp)
static int pci_rom_probe(struct udevice *dev, struct pci_rom_header **hdrp)
{
struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
struct pci_rom_header *rom_header;
struct pci_rom_data *rom_data;
u16 vendor, device;
u16 rom_vendor, rom_device;
u32 rom_class;
u32 vendev;
u32 mapped_vendev;
u32 rom_address;
pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
pci_read_config_word(dev, PCI_DEVICE_ID, &device);
vendev = vendor << 16 | device;
vendev = pplat->vendor << 16 | pplat->device;
mapped_vendev = board_map_oprom_vendev(vendev);
if (vendev != mapped_vendev)
debug("Device ID mapped to %#08x\n", mapped_vendev);
@ -76,15 +74,15 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
rom_address = CONFIG_VGA_BIOS_ADDR;
#else
pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_address);
dm_pci_read_config32(dev, PCI_ROM_ADDRESS, &rom_address);
if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
debug("%s: rom_address=%x\n", __func__, rom_address);
return -ENOENT;
}
/* Enable expansion ROM address decoding. */
pci_write_config_dword(dev, PCI_ROM_ADDRESS,
rom_address | PCI_ROM_ADDRESS_ENABLE);
dm_pci_write_config32(dev, PCI_ROM_ADDRESS,
rom_address | PCI_ROM_ADDRESS_ENABLE);
#endif
debug("Option ROM address %x\n", rom_address);
rom_header = (struct pci_rom_header *)(unsigned long)rom_address;
@ -98,7 +96,7 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
le16_to_cpu(rom_header->signature));
#ifndef CONFIG_VGA_BIOS_ADDR
/* Disable expansion ROM address decoding */
pci_write_config_dword(dev, PCI_ROM_ADDRESS, rom_address);
dm_pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address);
#endif
return -EINVAL;
}
@ -111,7 +109,7 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
rom_vendor, rom_device);
/* If the device id is mapped, a mismatch is expected */
if ((vendor != rom_vendor || device != rom_device) &&
if ((pplat->vendor != rom_vendor || pplat->device != rom_device) &&
(vendev == mapped_vendev)) {
printf("ID mismatch: vendor ID %04x, device ID %04x\n",
rom_vendor, rom_device);
@ -122,9 +120,9 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
debug("PCI ROM image, Class Code %06x, Code Type %02x\n",
rom_class, rom_data->type);
if (class != rom_class) {
if (pplat->class != rom_class) {
debug("Class Code mismatch ROM %06x, dev %06x\n",
rom_class, class);
rom_class, pplat->class);
}
*hdrp = rom_header;
@ -251,27 +249,26 @@ void setup_video(struct screen_info *screen_info)
screen_info->rsvd_pos = vesa->reserved_mask_pos;
}
int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
int exec_method)
{
struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
struct pci_rom_header *rom, *ram;
int vesa_mode = -1;
uint class;
bool emulate;
int ret;
/* Only execute VGA ROMs */
pci_read_config_dword(dev, PCI_REVISION_ID, &class);
if (((class >> 16) ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
debug("%s: Class %#x, should be %#x\n", __func__, class,
if (((pplat->class >> 8) ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
debug("%s: Class %#x, should be %#x\n", __func__, pplat->class,
PCI_CLASS_DISPLAY_VGA);
return -ENODEV;
}
class >>= 8;
if (!should_load_oprom(dev))
return -ENXIO;
ret = pci_rom_probe(dev, class, &rom);
ret = pci_rom_probe(dev, &rom);
if (ret)
return ret;
@ -314,12 +311,12 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
#ifdef CONFIG_BIOSEMU
BE_VGAInfo *info;
ret = biosemu_setup(dev, &info);
ret = biosemu_setup(dm_pci_get_bdf(dev), &info);
if (ret)
return ret;
biosemu_set_interrupt_handler(0x15, int15_handler);
ret = biosemu_run(dev, (uchar *)ram, 1 << 16, info, true,
vesa_mode, &mode_info);
ret = biosemu_run(dm_pci_get_bdf(dev), (uchar *)ram, 1 << 16,
info, true, vesa_mode, &mode_info);
if (ret)
return ret;
#endif
@ -327,8 +324,8 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
#ifdef CONFIG_X86
bios_set_interrupt_handler(0x15, int15_handler);
bios_run_on_x86(dev, (unsigned long)ram, vesa_mode,
&mode_info);
bios_run_on_x86(dm_pci_get_bdf(dev), (unsigned long)ram,
vesa_mode, &mode_info);
#endif
}
debug("Final vesa mode %#x\n", mode_info.video_mode);

10
drivers/video/vesa_fb.c
View File

@ -19,8 +19,8 @@ GraphicDevice ctfb;
void *video_hw_init(void)
{
GraphicDevice *gdev = &ctfb;
struct udevice *dev;
int bits_per_pixel;
pci_dev_t dev;
int ret;
printf("Video: ");
@ -33,14 +33,14 @@ void *video_hw_init(void)
return NULL;
}
if (vbe_get_video_info(gdev)) {
dev = pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0);
if (dev < 0) {
ret = dm_pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0, &dev);
if (ret) {
printf("no card detected\n");
return NULL;
}
bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
ret = pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
PCI_ROM_ALLOW_FALLBACK);
ret = dm_pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
PCI_ROM_ALLOW_FALLBACK);
bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD);
if (ret) {
printf("failed to run video BIOS: %d\n", ret);

6
include/pci_rom.h
View File

@ -44,14 +44,14 @@ enum pci_rom_emul {
};
/**
* pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
* dm_pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
*
* @dev: Video device containing the BIOS
* @int15_handler: Function to call to handle int 0x15
* @exec_method: flags from enum pci_rom_emul
*/
int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void),
int exec_method);
int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
int exec_method);
/**
* board_map_oprom_vendev() - map several PCI IDs to the one the ROM expects