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radeon: fix PCI bus mastering support enables.

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Someone noticed these registers moved around for later chips,
so we redo the codepaths per-chip. PCIE chips don't appear to
require explicit enables.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2008-10-17 09:21:45 +10:00
committed by Dave Airlie
parent b2ceddfa52
commit edc6f389f6
3 changed files with 61 additions and 24 deletions
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25
drivers/gpu/drm/radeon/radeon_drv.h
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@@ -122,6 +122,7 @@ enum radeon_family {
CHIP_RV350,
CHIP_RV380,
CHIP_R420,
CHIP_R423,
CHIP_RV410,
CHIP_RS400,
CHIP_RS480,
@@ -439,8 +440,31 @@ extern int r300_do_cp_cmdbuf(struct drm_device *dev,
# define RADEON_SCISSOR_1_ENABLE (1 << 29)
# define RADEON_SCISSOR_2_ENABLE (1 << 30)
/*
* PCIE radeons (rv370/rv380, rv410, r423/r430/r480, r5xx)
* don't have an explicit bus mastering disable bit. It's handled
* by the PCI D-states. PMI_BM_DIS disables D-state bus master
* handling, not bus mastering itself.
*/
#define RADEON_BUS_CNTL 0x0030
/* r1xx, r2xx, r300, r(v)350, r420/r481, rs480 */
# define RADEON_BUS_MASTER_DIS (1 << 6)
/* rs400, rs690/rs740 */
# define RS400_BUS_MASTER_DIS (1 << 14)
# define RS400_MSI_REARM (1 << 20)
/* see RS480_MSI_REARM in AIC_CNTL for rs480 */
#define RADEON_BUS_CNTL1 0x0034
# define RADEON_PMI_BM_DIS (1 << 2)
# define RADEON_PMI_INT_DIS (1 << 3)
#define RV370_BUS_CNTL 0x004c
# define RV370_PMI_BM_DIS (1 << 5)
# define RV370_PMI_INT_DIS (1 << 6)
#define RADEON_MSI_REARM_EN 0x0160
/* rv370/rv380, rv410, r423/r430/r480, r5xx */
# define RV370_MSI_REARM_EN (1 << 0)
#define RADEON_CLOCK_CNTL_DATA 0x000c
# define RADEON_PLL_WR_EN (1 << 7)
@@ -913,6 +937,7 @@ extern int r300_do_cp_cmdbuf(struct drm_device *dev,
#define RADEON_AIC_CNTL 0x01d0
# define RADEON_PCIGART_TRANSLATE_EN (1 << 0)
# define RS480_MSI_REARM (1 << 3)
#define RADEON_AIC_STAT 0x01d4
#define RADEON_AIC_PT_BASE 0x01d8
#define RADEON_AIC_LO_ADDR 0x01dc