drm: add radeon PCI express support
Add support for Radeon PCI Express cards (needs a new X.org DDX)
Also allows PCI GART table to be stored in VRAM for non PCIE cards
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index 430598e..9c10141 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -38,7 +38,7 @@
#define DRIVER_NAME "radeon"
#define DRIVER_DESC "ATI Radeon"
-#define DRIVER_DATE "20050720"
+#define DRIVER_DATE "20050911"
/* Interface history:
*
@@ -87,9 +87,10 @@
* R200_EMIT_PP_AFS_0/1, R200_EMIT_PP_TXCTLALL_0-5 (replaces
* R200_EMIT_PP_TXFILTER_0-5, 2 more regs) and R200_EMIT_ATF_TFACTOR
* (replaces R200_EMIT_TFACTOR_0 (8 consts instead of 6)
+ * 1.19- Add support for gart table in FB memory and PCIE r300
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 18
+#define DRIVER_MINOR 19
#define DRIVER_PATCHLEVEL 0
#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 )
@@ -134,6 +135,7 @@
CHIP_SINGLE_CRTC = 0x00040000UL,
CHIP_IS_AGP = 0x00080000UL,
CHIP_HAS_HIERZ = 0x00100000UL,
+ CHIP_IS_PCIE = 0x00200000UL,
};
typedef struct drm_radeon_freelist {
@@ -213,8 +215,6 @@
int microcode_version;
int is_pci;
- unsigned long phys_pci_gart;
- dma_addr_t bus_pci_gart;
struct {
u32 boxes;
@@ -270,6 +270,9 @@
struct radeon_surface surfaces[RADEON_MAX_SURFACES];
struct radeon_virt_surface virt_surfaces[2*RADEON_MAX_SURFACES];
+ unsigned long pcigart_offset;
+ drm_ati_pcigart_info gart_info;
+
/* starting from here on, data is preserved accross an open */
uint32_t flags; /* see radeon_chip_flags */
} drm_radeon_private_t;
@@ -373,6 +376,25 @@
#define RADEON_CRTC2_OFFSET 0x0324
#define RADEON_CRTC2_OFFSET_CNTL 0x0328
+#define RADEON_PCIE_INDEX 0x0030
+#define RADEON_PCIE_DATA 0x0034
+#define RADEON_PCIE_TX_GART_CNTL 0x10
+# define RADEON_PCIE_TX_GART_EN (1 << 0)
+# define RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_PASS_THRU (0<<1)
+# define RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_CLAMP_LO (1<<1)
+# define RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD (3<<1)
+# define RADEON_PCIE_TX_GART_MODE_32_128_CACHE (0<<3)
+# define RADEON_PCIE_TX_GART_MODE_8_4_128_CACHE (1<<3)
+# define RADEON_PCIE_TX_GART_CHK_RW_VALID_EN (1<<5)
+# define RADEON_PCIE_TX_GART_INVALIDATE_TLB (1<<8)
+#define RADEON_PCIE_TX_DISCARD_RD_ADDR_LO 0x11
+#define RADEON_PCIE_TX_DISCARD_RD_ADDR_HI 0x12
+#define RADEON_PCIE_TX_GART_BASE 0x13
+#define RADEON_PCIE_TX_GART_START_LO 0x14
+#define RADEON_PCIE_TX_GART_START_HI 0x15
+#define RADEON_PCIE_TX_GART_END_LO 0x16
+#define RADEON_PCIE_TX_GART_END_HI 0x17
+
#define RADEON_MPP_TB_CONFIG 0x01c0
#define RADEON_MEM_CNTL 0x0140
#define RADEON_MEM_SDRAM_MODE_REG 0x0158
@@ -878,6 +900,8 @@
#define RADEON_RING_HIGH_MARK 128
+#define RADEON_PCIGART_TABLE_SIZE (32*1024)
+
#define RADEON_READ(reg) DRM_READ32( dev_priv->mmio, (reg) )
#define RADEON_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) )
#define RADEON_READ8(reg) DRM_READ8( dev_priv->mmio, (reg) )
@@ -890,6 +914,13 @@
RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) ); \
} while (0)
+#define RADEON_WRITE_PCIE( addr, val ) \
+do { \
+ RADEON_WRITE8( RADEON_PCIE_INDEX, \
+ ((addr) & 0xff)); \
+ RADEON_WRITE( RADEON_PCIE_DATA, (val) ); \
+} while (0)
+
#define CP_PACKET0( reg, n ) \
(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
#define CP_PACKET0_TABLE( reg, n ) \