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drm/amdgpu: add atom interfaces for CGS 

This implements the interface for atombios command
and data table access.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2015-05-22 12:14:04 -04:00 committed by Alex Deucher
parent 0cf3be2178
commit 25da442779
1 changed files with 22 additions and 6 deletions
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28
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
View File

@ -24,6 +24,7 @@
#include <linux/pci.h>
#include "amdgpu.h"
#include "cgs_linux.h"
#include "atom.h"
struct amdgpu_cgs_device {
struct cgs_device base;
@ -221,24 +222,39 @@ static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device,
unsigned table, uint16_t *size,
uint8_t *frev, uint8_t *crev)
{
/* TODO */
CGS_FUNC_ADEV;
uint16_t data_start;
if (amdgpu_atom_parse_data_header(
adev->mode_info.atom_context, table, size,
frev, crev, &data_start))
return (uint8_t*)adev->mode_info.atom_context->bios +
data_start;
return NULL;
}
static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table,
uint8_t *frev, uint8_t *crev)
{
/* TODO */
return 0;
CGS_FUNC_ADEV;
if (amdgpu_atom_parse_cmd_header(
adev->mode_info.atom_context, table,
frev, crev))
return 0;
return -EINVAL;
}
static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table,
void *args)
{
/* TODO */
return 0;
}
CGS_FUNC_ADEV;
return amdgpu_atom_execute_table(
adev->mode_info.atom_context, table, args);
}
static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request)
{