drivers/gpu/drm/openchrome/openchrome_drv.h | 2
drivers/gpu/drm/openchrome/openchrome_fb.c | 884 -------------------------
drivers/gpu/drm/openchrome/openchrome_init.c | 939 +++++++++++++++++++++++++++
3 files changed, 940 insertions(+), 885 deletions(-)
New commits:
commit fba2aa548c6ff9cadd3e3b3fa0e23447cdb07768
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Tue Mar 19 11:15:19 2019 -0700
drm/openchrome: Move VRAM size detection code
The code was transferred to openchrome_init.c since the code runs
only once during initialization.
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/openchrome/openchrome_drv.h
b/drivers/gpu/drm/openchrome/openchrome_drv.h
index 99f1a0a17ef4..cb4306d204c6 100644
--- a/drivers/gpu/drm/openchrome/openchrome_drv.h
+++ b/drivers/gpu/drm/openchrome/openchrome_drv.h
@@ -260,6 +260,7 @@ extern int via_hdmi_audio;
extern struct ttm_bo_driver openchrome_bo_driver;
+int openchrome_vram_detect(struct openchrome_drm_private *dev_private);
int openchrome_mmio_init(struct openchrome_drm_private *dev_private);
void openchrome_mmio_fini(struct openchrome_drm_private *dev_private);
void openchrome_graphics_unlock(
@@ -273,7 +274,6 @@ extern void via_engine_init(struct drm_device *dev);
int openchrome_dev_pm_ops_suspend(struct device *dev);
int openchrome_dev_pm_ops_resume(struct device *dev);
-int openchrome_vram_detect(struct openchrome_drm_private *dev_private);
extern int openchrome_vram_init(
struct openchrome_drm_private *dev_private);
extern void openchrome_vram_fini(
diff --git a/drivers/gpu/drm/openchrome/openchrome_fb.c
b/drivers/gpu/drm/openchrome/openchrome_fb.c
index 22072669b4b3..420a49cadc48 100644
--- a/drivers/gpu/drm/openchrome/openchrome_fb.c
+++ b/drivers/gpu/drm/openchrome/openchrome_fb.c
@@ -28,890 +28,6 @@
#include "openchrome_drv.h"
-static int cle266_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_dev *bridge)
-{
- u8 type, fsb, freq;
- int ret;
-
- ret = pci_read_config_byte(bridge, 0x54, &fsb);
- if (ret)
- return ret;
- ret = pci_read_config_byte(bridge, 0x69, &freq);
- if (ret)
- return ret;
-
- freq >>= 6;
- fsb >>= 6;
-
- /* FSB frequency */
- switch (fsb) {
- case 0x01: /* 100MHz */
- switch (freq) {
- case 0x00:
- freq = 100;
- break;
- case 0x01:
- freq = 133;
- break;
- case 0x02:
- freq = 66;
- break;
- default:
- freq = 0;
- break;
- }
- break;
-
- case 0x02: /* 133 MHz */
- case 0x03:
- switch (freq) {
- case 0x00:
- freq = 133;
- break;
- case 0x02:
- freq = 100;
- break;
- default:
- freq = 0;
- break;
- }
- break;
- default:
- freq = 0;
- break;
- }
-
- ret = pci_read_config_byte(bridge, 0x60, &fsb);
- if (ret)
- return ret;
- ret = pci_read_config_byte(bridge, 0xE3, &type);
- if (ret)
- return ret;
-
- /* On bank 2/3 */
- if (type & 0x02)
- fsb >>= 2;
-
- /* Memory type */
- switch (fsb & 0x03) {
- case 0x00: /* SDR */
- switch (freq) {
- case 66:
- dev_private->vram_type = VIA_MEM_SDR66;
- break;
- case 100:
- dev_private->vram_type = VIA_MEM_SDR100;
- break;
- case 133:
- dev_private->vram_type = VIA_MEM_SDR133;
- default:
- break;
- }
- break;
-
- case 0x02: /* DDR */
- switch (freq) {
- case 100:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 133:
- dev_private->vram_type = VIA_MEM_DDR_266;
- default:
- break;
- }
- default:
- break;
- }
- return ret;
-}
-
-static int km400_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_dev *bridge)
-{
- u8 fsb, freq, rev;
- int ret;
-
- ret = pci_read_config_byte(bridge, 0xF6, &rev);
- if (ret)
- return ret;
- ret = pci_read_config_byte(bridge, 0x54, &fsb);
- if (ret)
- return ret;
- ret = pci_read_config_byte(bridge, 0x69, &freq);
- if (ret)
- return ret;
-
- freq >>= 6;
- fsb >>= 6;
-
- /* KM400 */
- if (rev < 0x80) {
- /* FSB frequency */
- switch (fsb) {
- case 0x00:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR_400;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_333;
- default:
- break;
- }
- break;
-
- case 0x01:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR_400;
- default:
- break;
- }
- break;
-
- case 0x02:
- case 0x03:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR_400;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_266;
- default:
- break;
- }
- default:
- break;
- }
- } else {
- /* KM400A */
- ret = pci_read_config_byte(bridge, 0x67, &rev);
- if (ret)
- return ret;
- if (rev & 0x80)
- freq |= 0x04;
-
- switch (fsb) {
- case 0x00:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x07:
- dev_private->vram_type = VIA_MEM_DDR_400;
- break;
- default:
- dev_private->vram_type = VIA_MEM_NONE;
- break;
- }
- break;
-
- case 0x01:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_400;
- default:
- break;
- }
- break;
-
- case 0x02:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_400;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x06:
- dev_private->vram_type = VIA_MEM_DDR_266;
- default:
- break;
- }
- break;
-
- case 0x03:
- switch (freq) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR_400;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR_266;
- default:
- break;
- }
- default:
- break;
- }
- }
- return ret;
-}
-
-static int p4m800_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_bus *bus,
- struct pci_dev *fn3)
-{
- struct pci_dev *fn4 = pci_get_slot(bus, PCI_DEVFN(0, 4));
- int ret, freq = 0;
- u8 type, fsb;
-
- /* VIA Scratch region */
- ret = pci_read_config_byte(fn4, 0xF3, &fsb);
- if (ret) {
- pci_dev_put(fn4);
- return ret;
- }
-
- switch (fsb >> 5) {
- case 0:
- freq = 3; /* 100 MHz */
- break;
- case 1:
- freq = 4; /* 133 MHz */
- break;
- case 3:
- freq = 5; /* 166 MHz */
- break;
- case 2:
- freq = 6; /* 200 MHz */
- break;
- case 4:
- freq = 7; /* 233 MHz */
- default:
- break;
- }
- pci_dev_put(fn4);
-
- ret = pci_read_config_byte(fn3, 0x68, &type);
- if (ret)
- return ret;
- type &= 0x0f;
-
- if (type & 0x02)
- freq -= type >> 2;
- else {
- freq += type >> 2;
- if (type & 0x01)
- freq++;
- }
-
- switch (freq) {
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x05:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x06:
- dev_private->vram_type = VIA_MEM_DDR_400;
- default:
- break;
- }
- return ret;
-}
-
-static int km8xx_mem_type(struct openchrome_drm_private *dev_private)
-{
- struct pci_dev *dram, *misc = NULL;
- int ret = -ENXIO;
- u8 type, tmp;
-
- dram = pci_get_device(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_K8_NB_MEMCTL, NULL);
- if (dram) {
- misc = pci_get_device(PCI_VENDOR_ID_AMD,
- PCI_DEVICE_ID_AMD_K8_NB_MISC, NULL);
-
- ret = pci_read_config_byte(misc, 0xFD, &type);
- if (type) {
- pci_read_config_byte(dram, 0x94, &type);
- switch (type & 0x03) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR2_400;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR2_533;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR2_667;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR2_800;
- default:
- break;
- }
- } else {
- ret = pci_read_config_byte(dram, 0x96, &type);
- if (ret)
- return ret;
- type >>= 4;
- type &= 0x07;
-
- switch (type) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x05:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x07:
- dev_private->vram_type = VIA_MEM_DDR_400;
- default:
- break;
- }
- }
- }
-
- /* AMD 10h DRAM Controller */
- dram = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_DRAM,
NULL);
- if (dram) {
- ret = pci_read_config_byte(misc, 0x94, &tmp);
- if (ret)
- return ret;
- ret = pci_read_config_byte(misc, 0x95, &type);
- if (ret)
- return ret;
-
- if (type & 0x01) { /* DDR3 */
- switch (tmp & 0x07) {
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR3_800;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR3_1066;
- break;
- case 0x05:
- dev_private->vram_type = VIA_MEM_DDR3_1333;
- break;
- case 0x06:
- dev_private->vram_type = VIA_MEM_DDR3_1600;
- default:
- break;
- }
- } else { /* DDR2 */
- switch (tmp & 0x07) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR2_400;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR2_533;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR2_667;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR2_800;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR2_1066;
- default:
- break;
- }
- }
- }
-
- /* AMD 11h DRAM Controller */
- dram = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_11H_NB_DRAM,
NULL);
- if (dram) {
- ret = pci_read_config_byte(misc, 0x94, &type);
- if (ret)
- return ret;
-
- switch (tmp & 0x07) {
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR2_533;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR2_667;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR2_800;
- default:
- break;
- }
- }
- return ret;
-}
-
-static int cn400_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_bus *bus,
- struct pci_dev *fn3)
-{
- struct pci_dev *fn2 = pci_get_slot(bus, PCI_DEVFN(0, 2));
- int ret, freq = 0;
- u8 type, fsb;
-
- ret = pci_read_config_byte(fn2, 0x54, &fsb);
- if (ret) {
- pci_dev_put(fn2);
- return ret;
- }
-
- switch (fsb >> 5) {
- case 0:
- freq = 3; /* 100 MHz */
- break;
- case 1:
- freq = 4; /* 133 MHz */
- break;
- case 3:
- freq = 5; /* 166 MHz */
- break;
- case 2:
- freq = 6; /* 200 MHz */
- break;
- case 4:
- freq = 7; /* 233 MHz */
- default:
- break;
- }
- pci_dev_put(fn2);
-
- ret = pci_read_config_byte(fn3, 0x68, &type);
- if (ret)
- return ret;
- type &= 0x0f;
-
- if (type & 0x01)
- freq += 1 + (type >> 2);
- else
- freq -= 1 + (type >> 2);
-
- switch (freq) {
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x05:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x06:
- dev_private->vram_type = VIA_MEM_DDR_400;
- default:
- break;
- }
- return ret;
-}
-
-static int cn700_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_dev *fn3)
-{
- int ret;
- u8 tmp;
-
- ret = pci_read_config_byte(fn3, 0x90, &tmp);
- if (!ret) {
- switch (tmp & 0x07) {
- case 0x00:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 0x01:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 0x02:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 0x03:
- dev_private->vram_type = VIA_MEM_DDR_400;
- break;
- case 0x04:
- dev_private->vram_type = VIA_MEM_DDR2_400;
- break;
- case 0x05:
- dev_private->vram_type = VIA_MEM_DDR2_533;
- default:
- break;
- }
- }
- return ret;
-}
-
-static int cx700_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_dev *fn3)
-{
- u8 type, clock;
- int ret;
-
- ret = pci_read_config_byte(fn3, 0x90, &clock);
- if (ret)
- return ret;
- ret = pci_read_config_byte(fn3, 0x6C, &type);
- if (ret)
- return ret;
- type &= 0x40;
- type >>= 6;
-
- switch (type) {
- case 0:
- switch (clock & 0x07) {
- case 0:
- dev_private->vram_type = VIA_MEM_DDR_200;
- break;
- case 1:
- dev_private->vram_type = VIA_MEM_DDR_266;
- break;
- case 2:
- dev_private->vram_type = VIA_MEM_DDR_333;
- break;
- case 3:
- dev_private->vram_type = VIA_MEM_DDR_400;
- default:
- break;
- }
- break;
-
- case 1:
- switch (clock & 0x07) {
- case 3:
- dev_private->vram_type = VIA_MEM_DDR2_400;
- break;
- case 4:
- dev_private->vram_type = VIA_MEM_DDR2_533;
- break;
- case 5:
- dev_private->vram_type = VIA_MEM_DDR2_667;
- break;
- case 6:
- dev_private->vram_type = VIA_MEM_DDR2_800;
- default:
- break;
- }
- default:
- break;
- }
- return ret;
-}
-
-static int vx900_mem_type(struct openchrome_drm_private *dev_private,
- struct pci_dev *fn3)
-{
- int ret;
- u8 clock, type, volt;
-
- ret = pci_read_config_byte(fn3, 0x90, &clock);
- if (ret)
- return ret;
- ret = pci_read_config_byte(fn3, 0x6C, &type);
- if (ret)
- return ret;
- volt = type;
- type &= 0xC0;
- type >>= 6;
- volt &= 0x20;
- volt >>= 5;
-
- switch (type) {
- case 1:
- switch (clock & 0x0F) {
- case 0:
- if (volt)
- dev_private->vram_type = VIA_MEM_DDR2_800;
- else
- dev_private->vram_type = VIA_MEM_DDR2_533;
- break;
- case 4:
- dev_private->vram_type = VIA_MEM_DDR2_533;
- break;
- case 5:
- dev_private->vram_type = VIA_MEM_DDR2_667;
- break;
- case 6:
- dev_private->vram_type = VIA_MEM_DDR2_800;
- break;
- case 7:
- dev_private->vram_type = VIA_MEM_DDR2_1066;
- default:
- break;
- }
- break;
- case 2:
- switch (clock & 0x0F) {
- case 0:
- if (volt)
- dev_private->vram_type = VIA_MEM_DDR3_800;
- else
- dev_private->vram_type = VIA_MEM_DDR3_533;
- break;
- case 4:
- dev_private->vram_type = VIA_MEM_DDR3_533;
- break;
- case 5:
- dev_private->vram_type = VIA_MEM_DDR3_667;
- break;
- case 6:
- dev_private->vram_type = VIA_MEM_DDR3_800;
- break;
- case 7:
- dev_private->vram_type = VIA_MEM_DDR3_1066;
- default:
- break;
- }
- break;
- }
- return ret;
-}
-
-int openchrome_vram_detect(struct openchrome_drm_private *dev_private)
-{
- struct drm_device *dev = dev_private->dev;
- struct pci_dev *bridge = NULL;
- struct pci_dev *fn3 = NULL;
- char *name = "unknown";
- struct pci_bus *bus;
- u8 size;
- int ret = 0;
-
- DRM_DEBUG_KMS("Entered %s.\n", __func__);
-
- bus = pci_find_bus(0, 0);
- if (bus == NULL) {
- ret = -EINVAL;
- goto out_err;
- }
-
- bridge = pci_get_slot(bus, PCI_DEVFN(0, 0));
- fn3 = pci_get_slot(bus, PCI_DEVFN(0, 3));
-
- if (!bridge) {
- ret = -EINVAL;
- DRM_ERROR("No host bridge found...\n");
- goto out_err;
- }
-
- if (!fn3 && dev->pdev->device != PCI_DEVICE_ID_VIA_CLE266
- && dev->pdev->device != PCI_DEVICE_ID_VIA_KM400) {
- ret = -EINVAL;
- DRM_ERROR("No function 3 on host bridge...\n");
- goto out_err;
- }
- dev_private->vram_start = pci_resource_start(dev->pdev, 0);
-
- switch (bridge->device) {
-
- /* CLE266 */
- case PCI_DEVICE_ID_VIA_862X_0:
- ret = cle266_mem_type(dev_private, bridge);
- if (ret)
- goto out_err;
-
- ret = pci_read_config_byte(bridge, 0xE1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 20;
- break;
-
- /* KM400 / KN400 / KM400A / KN400A */
- case PCI_DEVICE_ID_VIA_8378_0:
- ret = km400_mem_type(dev_private, bridge);
-
- ret = pci_read_config_byte(bridge, 0xE1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 20;
- break;
-
- /* P4M800 */
- case PCI_DEVICE_ID_VIA_3296_0:
- ret = p4m800_mem_type(dev_private, bus, fn3);
-
- ret = pci_read_config_byte(fn3, 0xA1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 20;
- break;
-
- /* K8M800 / K8N800 */
- case PCI_DEVICE_ID_VIA_8380_0:
- /* K8M890 */
- case PCI_DEVICE_ID_VIA_VT3336:
- ret = pci_read_config_byte(fn3, 0xA1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 20;
-
- if (bridge->device == PCI_DEVICE_ID_VIA_VT3336)
- dev_private->vram_size <<= 2;
-
- ret = km8xx_mem_type(dev_private);
- if (ret)
- goto out_err;
- break;
-
- /* CN400 / PM800 / PM880 */
- case PCI_DEVICE_ID_VIA_PX8X0_0:
- ret = pci_read_config_byte(fn3, 0xA1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 20;
-
- ret = cn400_mem_type(dev_private, bus, fn3);
- if (ret)
- goto out_err;
- break;
-
- /* P4M800CE / P4M800 Pro / VN800 / CN700 */
- case PCI_DEVICE_ID_VIA_P4M800CE:
- /* P4M900 / VN896 / CN896 */
- case PCI_DEVICE_ID_VIA_VT3364:
- ret = pci_read_config_byte(fn3, 0xA1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 20;
-
- if (bridge->device != PCI_DEVICE_ID_VIA_P4M800CE)
- dev_private->vram_size <<= 2;
-
- ret = cn700_mem_type(dev_private, fn3);
- if (ret)
- goto out_err;
- break;
-
- /* CX700 / VX700 */
- case PCI_DEVICE_ID_VIA_VT3324:
- /* P4M890 / VN890 */
- case PCI_DEVICE_ID_VIA_P4M890:
- /* VX800 / VX820 */
- case PCI_DEVICE_ID_VIA_VT3353:
- /* VX855 / VX875 */
- case PCI_DEVICE_ID_VIA_VT3409:
- ret = pci_read_config_byte(fn3, 0xA1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 22;
-
- ret = cx700_mem_type(dev_private, fn3);
- if (ret)
- goto out_err;
- break;
-
- /* VX900 */
- case PCI_DEVICE_ID_VIA_VT3410:
- dev_private->vram_start = pci_resource_start(dev->pdev, 2);
-
- ret = pci_read_config_byte(fn3, 0xA1, &size);
- if (ret)
- goto out_err;
- dev_private->vram_size = (1 << ((size & 0x70) >> 4)) << 22;
-
- ret = vx900_mem_type(dev_private, fn3);
- if (ret)
- goto out_err;
- break;
-
- default:
- DRM_ERROR("Unknown north bridge device: 0x%04x\n",
bridge->device);
- goto out_err;
- }
-
- switch (dev_private->vram_type) {
- case VIA_MEM_SDR66:
- name = "SDR 66";
- break;
- case VIA_MEM_SDR100:
- name = "SDR 100";
- break;
- case VIA_MEM_SDR133:
- name = "SDR 133";
- break;
- case VIA_MEM_DDR_200:
- name = "DDR 200";
- break;
- case VIA_MEM_DDR_266:
- name = "DDR 266";
- break;
- case VIA_MEM_DDR_333:
- name = "DDR 333";
- break;
- case VIA_MEM_DDR_400:
- name = "DDR 400";
- break;
- case VIA_MEM_DDR2_400:
- name = "DDR2 400";
- break;
- case VIA_MEM_DDR2_533:
- name = "DDR2 533";
- break;
- case VIA_MEM_DDR2_667:
- name = "DDR2 667";
- break;
- case VIA_MEM_DDR2_800:
- name = "DDR2 800";
- break;
- case VIA_MEM_DDR2_1066:
- name = "DDR2 1066";
- break;
- case VIA_MEM_DDR3_533:
- name = "DDR3 533";
- break;
- case VIA_MEM_DDR3_667:
- name = "DDR3 667";
- break;
- case VIA_MEM_DDR3_800:
- name = "DDR3 800";
- break;
- case VIA_MEM_DDR3_1066:
- name = "DDR3 1066";
- break;
- case VIA_MEM_DDR3_1333:
- name = "DDR3 1333";
- break;
- case VIA_MEM_DDR3_1600:
- name = "DDR3 1600";
- break;
- default:
- break;
- }
-
- DRM_INFO("Found %s video RAM.\n",
- name);
-out_err:
- if (bridge)
- pci_dev_put(bridge);
- if (fn3)
- pci_dev_put(fn3);
-
- DRM_DEBUG_KMS("Exiting %s.\n", __func__);
- return ret;
-}
-
int openchrome_vram_init(struct openchrome_drm_private *dev_private)
{
int ret = 0;
diff --git a/drivers/gpu/drm/openchrome/openchrome_init.c
b/drivers/gpu/drm/openchrome/openchrome_init.c
index 861cdaa4ea89..35a5423ea8cd 100644
--- a/drivers/gpu/drm/openchrome/openchrome_init.c
+++ b/drivers/gpu/drm/openchrome/openchrome_init.c
@@ -30,6 +30,945 @@
#include "openchrome_drv.h"
+static int cle266_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_dev *bridge)
+{
+ u8 type, fsb, freq;
+ int ret;
+
+ ret = pci_read_config_byte(bridge, 0x54, &fsb);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(bridge, 0x69, &freq);
+ if (ret)
+ return ret;
+
+ freq >>= 6;
+ fsb >>= 6;
+
+ /* FSB frequency */
+ switch (fsb) {
+ case 0x01: /* 100MHz */
+ switch (freq) {
+ case 0x00:
+ freq = 100;
+ break;
+ case 0x01:
+ freq = 133;
+ break;
+ case 0x02:
+ freq = 66;
+ break;
+ default:
+ freq = 0;
+ break;
+ }
+ break;
+
+ case 0x02: /* 133 MHz */
+ case 0x03:
+ switch (freq) {
+ case 0x00:
+ freq = 133;
+ break;
+ case 0x02:
+ freq = 100;
+ break;
+ default:
+ freq = 0;
+ break;
+ }
+ break;
+ default:
+ freq = 0;
+ break;
+ }
+
+ ret = pci_read_config_byte(bridge, 0x60, &fsb);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(bridge, 0xE3, &type);
+ if (ret)
+ return ret;
+
+ /* On bank 2/3 */
+ if (type & 0x02)
+ fsb >>= 2;
+
+ /* Memory type */
+ switch (fsb & 0x03) {
+ case 0x00: /* SDR */
+ switch (freq) {
+ case 66:
+ dev_private->vram_type = VIA_MEM_SDR66;
+ break;
+ case 100:
+ dev_private->vram_type = VIA_MEM_SDR100;
+ break;
+ case 133:
+ dev_private->vram_type = VIA_MEM_SDR133;
+ default:
+ break;
+ }
+ break;
+
+ case 0x02: /* DDR */
+ switch (freq) {
+ case 100:
+ dev_private->vram_type = VIA_MEM_DDR_200;
+ break;
+ case 133:
+ dev_private->vram_type = VIA_MEM_DDR_266;
+ default:
+ break;
+ }
+ default:
+ break;
+ }
+ return ret;
+}
+
+static int km400_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_dev *bridge)
+{
+ u8 fsb, freq, rev;
+ int ret;
+
+ ret = pci_read_config_byte(bridge, 0xF6, &rev);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(bridge, 0x54, &fsb);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(bridge, 0x69, &freq);
+ if (ret)
+ return ret;
+
+ freq >>= 6;
+ fsb >>= 6;
+
+ /* KM400 */
+ if (rev < 0x80) {
+ /* FSB frequency */
+ switch (fsb) {
+ case 0x00:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_200;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ break;
+ case 0x02:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ break;
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ default:
+ break;
+ }
+ break;
+
+ case 0x01:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ break;
+ case 0x02:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ default:
+ break;
+ }
+ break;
+
+ case 0x02:
+ case 0x03:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type = VIA_MEM_DDR_333;
+ break;
+ case 0x02:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ break;
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ default:
+ break;
+ }
+ default:
+ break;
+ }
+ } else {
+ /* KM400A */
+ ret = pci_read_config_byte(bridge, 0x67, &rev);
+ if (ret)
+ return ret;
+ if (rev & 0x80)
+ freq |= 0x04;
+
+ switch (fsb) {
+ case 0x00:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_200;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ break;
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ break;
+ case 0x07:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ break;
+ default:
+ dev_private->vram_type = VIA_MEM_NONE;
+ break;
+ }
+ break;
+
+ case 0x01:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ break;
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ default:
+ break;
+ }
+ break;
+
+ case 0x02:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ break;
+ case 0x04:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ break;
+ case 0x06:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ default:
+ break;
+ }
+ break;
+
+ case 0x03:
+ switch (freq) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ break;
+ case 0x04:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ default:
+ break;
+ }
+ default:
+ break;
+ }
+ }
+ return ret;
+}
+
+static int p4m800_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_bus *bus,
+ struct pci_dev *fn3)
+{
+ struct pci_dev *fn4 = pci_get_slot(bus, PCI_DEVFN(0, 4));
+ int ret, freq = 0;
+ u8 type, fsb;
+
+ /* VIA Scratch region */
+ ret = pci_read_config_byte(fn4, 0xF3, &fsb);
+ if (ret) {
+ pci_dev_put(fn4);
+ return ret;
+ }
+
+ switch (fsb >> 5) {
+ case 0:
+ freq = 3; /* 100 MHz */
+ break;
+ case 1:
+ freq = 4; /* 133 MHz */
+ break;
+ case 3:
+ freq = 5; /* 166 MHz */
+ break;
+ case 2:
+ freq = 6; /* 200 MHz */
+ break;
+ case 4:
+ freq = 7; /* 233 MHz */
+ default:
+ break;
+ }
+ pci_dev_put(fn4);
+
+ ret = pci_read_config_byte(fn3, 0x68, &type);
+ if (ret)
+ return ret;
+ type &= 0x0f;
+
+ if (type & 0x02)
+ freq -= type >> 2;
+ else {
+ freq += type >> 2;
+ if (type & 0x01)
+ freq++;
+ }
+
+ switch (freq) {
+ case 0x03:
+ dev_private->vram_type = VIA_MEM_DDR_200;
+ break;
+ case 0x04:
+ dev_private->vram_type = VIA_MEM_DDR_266;
+ break;
+ case 0x05:
+ dev_private->vram_type = VIA_MEM_DDR_333;
+ break;
+ case 0x06:
+ dev_private->vram_type = VIA_MEM_DDR_400;
+ default:
+ break;
+ }
+ return ret;
+}
+
+static int km8xx_mem_type(struct openchrome_drm_private *dev_private)
+{
+ struct pci_dev *dram, *misc = NULL;
+ int ret = -ENXIO;
+ u8 type, tmp;
+
+ dram = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_AMD_K8_NB_MEMCTL, NULL);
+ if (dram) {
+ misc = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_AMD_K8_NB_MISC, NULL);
+
+ ret = pci_read_config_byte(misc, 0xFD, &type);
+ if (type) {
+ pci_read_config_byte(dram, 0x94, &type);
+ switch (type & 0x03) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_400;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_533;
+ break;
+ case 0x02:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_667;
+ break;
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_800;
+ default:
+ break;
+ }
+ } else {
+ ret = pci_read_config_byte(dram, 0x96, &type);
+ if (ret)
+ return ret;
+ type >>= 4;
+ type &= 0x07;
+
+ switch (type) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR_200;
+ break;
+ case 0x02:
+ dev_private->vram_type =
+ VIA_MEM_DDR_266;
+ break;
+ case 0x05:
+ dev_private->vram_type =
+ VIA_MEM_DDR_333;
+ break;
+ case 0x07:
+ dev_private->vram_type =
+ VIA_MEM_DDR_400;
+ default:
+ break;
+ }
+ }
+ }
+
+ /* AMD 10h DRAM Controller */
+ dram = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_AMD_10H_NB_DRAM, NULL);
+ if (dram) {
+ ret = pci_read_config_byte(misc, 0x94, &tmp);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(misc, 0x95, &type);
+ if (ret)
+ return ret;
+
+ if (type & 0x01) { /* DDR3 */
+ switch (tmp & 0x07) {
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR3_800;
+ break;
+ case 0x04:
+ dev_private->vram_type =
+ VIA_MEM_DDR3_1066;
+ break;
+ case 0x05:
+ dev_private->vram_type =
+ VIA_MEM_DDR3_1333;
+ break;
+ case 0x06:
+ dev_private->vram_type =
+ VIA_MEM_DDR3_1600;
+ default:
+ break;
+ }
+ } else { /* DDR2 */
+ switch (tmp & 0x07) {
+ case 0x00:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_400;
+ break;
+ case 0x01:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_533;
+ break;
+ case 0x02:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_667;
+ break;
+ case 0x03:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_800;
+ break;
+ case 0x04:
+ dev_private->vram_type =
+ VIA_MEM_DDR2_1066;
+ default:
+ break;
+ }
+ }
+ }
+
+ /* AMD 11h DRAM Controller */
+ dram = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_AMD_11H_NB_DRAM, NULL);
+ if (dram) {
+ ret = pci_read_config_byte(misc, 0x94, &type);
+ if (ret)
+ return ret;
+
+ switch (tmp & 0x07) {
+ case 0x01:
+ dev_private->vram_type = VIA_MEM_DDR2_533;
+ break;
+ case 0x02:
+ dev_private->vram_type = VIA_MEM_DDR2_667;
+ break;
+ case 0x03:
+ dev_private->vram_type = VIA_MEM_DDR2_800;
+ default:
+ break;
+ }
+ }
+ return ret;
+}
+
+static int cn400_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_bus *bus,
+ struct pci_dev *fn3)
+{
+ struct pci_dev *fn2 = pci_get_slot(bus, PCI_DEVFN(0, 2));
+ int ret, freq = 0;
+ u8 type, fsb;
+
+ ret = pci_read_config_byte(fn2, 0x54, &fsb);
+ if (ret) {
+ pci_dev_put(fn2);
+ return ret;
+ }
+
+ switch (fsb >> 5) {
+ case 0:
+ freq = 3; /* 100 MHz */
+ break;
+ case 1:
+ freq = 4; /* 133 MHz */
+ break;
+ case 3:
+ freq = 5; /* 166 MHz */
+ break;
+ case 2:
+ freq = 6; /* 200 MHz */
+ break;
+ case 4:
+ freq = 7; /* 233 MHz */
+ default:
+ break;
+ }
+ pci_dev_put(fn2);
+
+ ret = pci_read_config_byte(fn3, 0x68, &type);
+ if (ret)
+ return ret;
+ type &= 0x0f;
+
+ if (type & 0x01)
+ freq += 1 + (type >> 2);
+ else
+ freq -= 1 + (type >> 2);
+
+ switch (freq) {
+ case 0x03:
+ dev_private->vram_type = VIA_MEM_DDR_200;
+ break;
+ case 0x04:
+ dev_private->vram_type = VIA_MEM_DDR_266;
+ break;
+ case 0x05:
+ dev_private->vram_type = VIA_MEM_DDR_333;
+ break;
+ case 0x06:
+ dev_private->vram_type = VIA_MEM_DDR_400;
+ default:
+ break;
+ }
+ return ret;
+}
+
+static int cn700_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_dev *fn3)
+{
+ int ret;
+ u8 tmp;
+
+ ret = pci_read_config_byte(fn3, 0x90, &tmp);
+ if (!ret) {
+ switch (tmp & 0x07) {
+ case 0x00:
+ dev_private->vram_type = VIA_MEM_DDR_200;
+ break;
+ case 0x01:
+ dev_private->vram_type = VIA_MEM_DDR_266;
+ break;
+ case 0x02:
+ dev_private->vram_type = VIA_MEM_DDR_333;
+ break;
+ case 0x03:
+ dev_private->vram_type = VIA_MEM_DDR_400;
+ break;
+ case 0x04:
+ dev_private->vram_type = VIA_MEM_DDR2_400;
+ break;
+ case 0x05:
+ dev_private->vram_type = VIA_MEM_DDR2_533;
+ default:
+ break;
+ }
+ }
+ return ret;
+}
+
+static int cx700_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_dev *fn3)
+{
+ u8 type, clock;
+ int ret;
+
+ ret = pci_read_config_byte(fn3, 0x90, &clock);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(fn3, 0x6C, &type);
+ if (ret)
+ return ret;
+ type &= 0x40;
+ type >>= 6;
+
+ switch (type) {
+ case 0:
+ switch (clock & 0x07) {
+ case 0:
+ dev_private->vram_type = VIA_MEM_DDR_200;
+ break;
+ case 1:
+ dev_private->vram_type = VIA_MEM_DDR_266;
+ break;
+ case 2:
+ dev_private->vram_type = VIA_MEM_DDR_333;
+ break;
+ case 3:
+ dev_private->vram_type = VIA_MEM_DDR_400;
+ default:
+ break;
+ }
+ break;
+
+ case 1:
+ switch (clock & 0x07) {
+ case 3:
+ dev_private->vram_type = VIA_MEM_DDR2_400;
+ break;
+ case 4:
+ dev_private->vram_type = VIA_MEM_DDR2_533;
+ break;
+ case 5:
+ dev_private->vram_type = VIA_MEM_DDR2_667;
+ break;
+ case 6:
+ dev_private->vram_type = VIA_MEM_DDR2_800;
+ default:
+ break;
+ }
+ default:
+ break;
+ }
+ return ret;
+}
+
+static int vx900_mem_type(struct openchrome_drm_private *dev_private,
+ struct pci_dev *fn3)
+{
+ int ret;
+ u8 clock, type, volt;
+
+ ret = pci_read_config_byte(fn3, 0x90, &clock);
+ if (ret)
+ return ret;
+ ret = pci_read_config_byte(fn3, 0x6C, &type);
+ if (ret)
+ return ret;
+ volt = type;
+ type &= 0xC0;
+ type >>= 6;
+ volt &= 0x20;
+ volt >>= 5;
+
+ switch (type) {
+ case 1:
+ switch (clock & 0x0F) {
+ case 0:
+ if (volt)
+ dev_private->vram_type =
+ VIA_MEM_DDR2_800;
+ else
+ dev_private->vram_type =
+ VIA_MEM_DDR2_533;
+ break;
+ case 4:
+ dev_private->vram_type = VIA_MEM_DDR2_533;
+ break;
+ case 5:
+ dev_private->vram_type = VIA_MEM_DDR2_667;
+ break;
+ case 6:
+ dev_private->vram_type = VIA_MEM_DDR2_800;
+ break;
+ case 7:
+ dev_private->vram_type = VIA_MEM_DDR2_1066;
+ default:
+ break;
+ }
+ break;
+ case 2:
+ switch (clock & 0x0F) {
+ case 0:
+ if (volt)
+ dev_private->vram_type =
+ VIA_MEM_DDR3_800;
+ else
+ dev_private->vram_type =
+ VIA_MEM_DDR3_533;
+ break;
+ case 4:
+ dev_private->vram_type = VIA_MEM_DDR3_533;
+ break;
+ case 5:
+ dev_private->vram_type = VIA_MEM_DDR3_667;
+ break;
+ case 6:
+ dev_private->vram_type = VIA_MEM_DDR3_800;
+ break;
+ case 7:
+ dev_private->vram_type = VIA_MEM_DDR3_1066;
+ default:
+ break;
+ }
+ break;
+ }
+ return ret;
+}
+
+int openchrome_vram_detect(struct openchrome_drm_private *dev_private)
+{
+ struct drm_device *dev = dev_private->dev;
+ struct pci_dev *bridge = NULL;
+ struct pci_dev *fn3 = NULL;
+ char *name = "unknown";
+ struct pci_bus *bus;
+ u8 size;
+ int ret = 0;
+
+ DRM_DEBUG_KMS("Entered %s.\n", __func__);
+
+ bus = pci_find_bus(0, 0);
+ if (bus == NULL) {
+ ret = -EINVAL;
+ goto out_err;
+ }
+
+ bridge = pci_get_slot(bus, PCI_DEVFN(0, 0));
+ fn3 = pci_get_slot(bus, PCI_DEVFN(0, 3));
+
+ if (!bridge) {
+ ret = -EINVAL;
+ DRM_ERROR("No host bridge found...\n");
+ goto out_err;
+ }
+
+ if (!fn3 && dev->pdev->device != PCI_DEVICE_ID_VIA_CLE266
+ && dev->pdev->device != PCI_DEVICE_ID_VIA_KM400) {
+ ret = -EINVAL;
+ DRM_ERROR("No function 3 on host bridge...\n");
+ goto out_err;
+ }
+ dev_private->vram_start = pci_resource_start(dev->pdev, 0);
+
+ switch (bridge->device) {
+
+ /* CLE266 */
+ case PCI_DEVICE_ID_VIA_862X_0:
+ ret = cle266_mem_type(dev_private, bridge);
+ if (ret)
+ goto out_err;
+
+ ret = pci_read_config_byte(bridge, 0xE1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 20;
+ break;
+
+ /* KM400 / KN400 / KM400A / KN400A */
+ case PCI_DEVICE_ID_VIA_8378_0:
+ ret = km400_mem_type(dev_private, bridge);
+
+ ret = pci_read_config_byte(bridge, 0xE1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 20;
+ break;
+
+ /* P4M800 */
+ case PCI_DEVICE_ID_VIA_3296_0:
+ ret = p4m800_mem_type(dev_private, bus, fn3);
+
+ ret = pci_read_config_byte(fn3, 0xA1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 20;
+ break;
+
+ /* K8M800 / K8N800 */
+ case PCI_DEVICE_ID_VIA_8380_0:
+ /* K8M890 */
+ case PCI_DEVICE_ID_VIA_VT3336:
+ ret = pci_read_config_byte(fn3, 0xA1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 20;
+
+ if (bridge->device == PCI_DEVICE_ID_VIA_VT3336)
+ dev_private->vram_size <<= 2;
+
+ ret = km8xx_mem_type(dev_private);
+ if (ret)
+ goto out_err;
+ break;
+
+ /* CN400 / PM800 / PM880 */
+ case PCI_DEVICE_ID_VIA_PX8X0_0:
+ ret = pci_read_config_byte(fn3, 0xA1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 20;
+
+ ret = cn400_mem_type(dev_private, bus, fn3);
+ if (ret)
+ goto out_err;
+ break;
+
+ /* P4M800CE / P4M800 Pro / VN800 / CN700 */
+ case PCI_DEVICE_ID_VIA_P4M800CE:
+ /* P4M900 / VN896 / CN896 */
+ case PCI_DEVICE_ID_VIA_VT3364:
+ ret = pci_read_config_byte(fn3, 0xA1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 20;
+
+ if (bridge->device != PCI_DEVICE_ID_VIA_P4M800CE)
+ dev_private->vram_size <<= 2;
+
+ ret = cn700_mem_type(dev_private, fn3);
+ if (ret)
+ goto out_err;
+ break;
+
+ /* CX700 / VX700 */
+ case PCI_DEVICE_ID_VIA_VT3324:
+ /* P4M890 / VN890 */
+ case PCI_DEVICE_ID_VIA_P4M890:
+ /* VX800 / VX820 */
+ case PCI_DEVICE_ID_VIA_VT3353:
+ /* VX855 / VX875 */
+ case PCI_DEVICE_ID_VIA_VT3409:
+ ret = pci_read_config_byte(fn3, 0xA1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 22;
+
+ ret = cx700_mem_type(dev_private, fn3);
+ if (ret)
+ goto out_err;
+ break;
+
+ /* VX900 */
+ case PCI_DEVICE_ID_VIA_VT3410:
+ dev_private->vram_start =
+ pci_resource_start(dev->pdev, 2);
+
+ ret = pci_read_config_byte(fn3, 0xA1, &size);
+ if (ret)
+ goto out_err;
+ dev_private->vram_size =
+ (1 << ((size & 0x70) >> 4)) << 22;
+
+ ret = vx900_mem_type(dev_private, fn3);
+ if (ret)
+ goto out_err;
+ break;
+
+ default:
+ DRM_ERROR("Unknown north bridge device: 0x%04x\n",
+ bridge->device);
+ goto out_err;
+ }
+
+ switch (dev_private->vram_type) {
+ case VIA_MEM_SDR66:
+ name = "SDR 66";
+ break;
+ case VIA_MEM_SDR100:
+ name = "SDR 100";
+ break;
+ case VIA_MEM_SDR133:
+ name = "SDR 133";
+ break;
+ case VIA_MEM_DDR_200:
+ name = "DDR 200";
+ break;
+ case VIA_MEM_DDR_266:
+ name = "DDR 266";
+ break;
+ case VIA_MEM_DDR_333:
+ name = "DDR 333";
+ break;
+ case VIA_MEM_DDR_400:
+ name = "DDR 400";
+ break;
+ case VIA_MEM_DDR2_400:
+ name = "DDR2 400";
+ break;
+ case VIA_MEM_DDR2_533:
+ name = "DDR2 533";
+ break;
+ case VIA_MEM_DDR2_667:
+ name = "DDR2 667";
+ break;
+ case VIA_MEM_DDR2_800:
+ name = "DDR2 800";
+ break;
+ case VIA_MEM_DDR2_1066:
+ name = "DDR2 1066";
+ break;
+ case VIA_MEM_DDR3_533:
+ name = "DDR3 533";
+ break;
+ case VIA_MEM_DDR3_667:
+ name = "DDR3 667";
+ break;
+ case VIA_MEM_DDR3_800:
+ name = "DDR3 800";
+ break;
+ case VIA_MEM_DDR3_1066:
+ name = "DDR3 1066";
+ break;
+ case VIA_MEM_DDR3_1333:
+ name = "DDR3 1333";
+ break;
+ case VIA_MEM_DDR3_1600:
+ name = "DDR3 1600";
+ break;
+ default:
+ break;
+ }
+
+ DRM_INFO("Found %s video RAM.\n", name);
+out_err:
+ if (bridge)
+ pci_dev_put(bridge);
+ if (fn3)
+ pci_dev_put(fn3);
+
+ DRM_DEBUG_KMS("Exiting %s.\n", __func__);
+ return ret;
+}
+
int openchrome_mmio_init(
struct openchrome_drm_private *dev_private)
{
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