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drm/amdgpu: Implement the pciconfig callbacks for CGS 

This implements the pciconfig register accessors.

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 11:33:31 -04:00 committed by Alex Deucher
parent aba684d87a
commit 97cb7f6e6c
1 changed files with 28 additions and 12 deletions
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34
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
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@ -21,6 +21,7 @@
* *
* *
*/ */
#include <linux/pci.h>
#include "amdgpu.h" #include "amdgpu.h"
#include "cgs_linux.h" #include "cgs_linux.h"
@ -163,42 +164,57 @@ static void amdgpu_cgs_write_ind_register(void *cgs_device,
static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr) static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr)
{ {
/* TODO */ CGS_FUNC_ADEV;
uint8_t val;
int ret = pci_read_config_byte(adev->pdev, addr, &val);
if (WARN(ret, "pci_read_config_byte error"))
return 0; return 0;
return val;
} }
static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr) static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr)
{ {
/* TODO */ CGS_FUNC_ADEV;
uint16_t val;
int ret = pci_read_config_word(adev->pdev, addr, &val);
if (WARN(ret, "pci_read_config_word error"))
return 0; return 0;
return val;
} }
static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device, static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device,
unsigned addr) unsigned addr)
{ {
/* TODO */ CGS_FUNC_ADEV;
uint32_t val;
int ret = pci_read_config_dword(adev->pdev, addr, &val);
if (WARN(ret, "pci_read_config_dword error"))
return 0; return 0;
return val;
} }
static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr, static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr,
uint8_t value) uint8_t value)
{ {
/* TODO */ CGS_FUNC_ADEV;
return; int ret = pci_write_config_byte(adev->pdev, addr, value);
WARN(ret, "pci_write_config_byte error");
} }
static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr, static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr,
uint16_t value) uint16_t value)
{ {
/* TODO */ CGS_FUNC_ADEV;
return; int ret = pci_write_config_word(adev->pdev, addr, value);
WARN(ret, "pci_write_config_word error");
} }
static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr, static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr,
uint32_t value) uint32_t value)
{ {
/* TODO */ CGS_FUNC_ADEV;
return; int ret = pci_write_config_dword(adev->pdev, addr, value);
WARN(ret, "pci_write_config_dword error");
} }
static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device, static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device,