drm: add initial r500 drm support

This adds CP support for the r500 series of chips, and allows
accel 2D support on these chips with a new radeon driver.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 90 insertions, 45 deletions

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 020323bd1626..5dc799ab86b8 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -816,6 +816,46 @@ static const u32 R300_cp_microcode[][2] = {
 	{0000000000, 0000000000},
 };
 
+static u32 RADEON_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
+{
+	u32 ret;
+	RADEON_WRITE(R520_MC_IND_INDEX, 0x7f0000 | (addr & 0xff));
+	ret = RADEON_READ(R520_MC_IND_DATA);
+	RADEON_WRITE(R520_MC_IND_INDEX, 0);
+	return ret;
+}
+
+u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
+{
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
+		return RADEON_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
+		return RADEON_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
+	else
+		return RADEON_READ(RADEON_MC_FB_LOCATION);
+}
+
+static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
+{
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
+		RADEON_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
+		RADEON_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
+	else
+		RADEON_WRITE(RADEON_MC_FB_LOCATION, fb_loc);
+}
+
+static void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_loc)
+{
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
+		RADEON_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
+		RADEON_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
+	else
+		RADEON_WRITE(RADEON_MC_AGP_LOCATION, agp_loc);
+}
+
 static int RADEON_READ_PLL(struct drm_device * dev, int addr)
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
@@ -824,7 +864,7 @@ static int RADEON_READ_PLL(struct drm_device * dev, int addr)
 	return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
 }
 
-static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
+static u32 RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
 {
 	RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
 	return RADEON_READ(RADEON_PCIE_DATA);
@@ -1074,41 +1114,43 @@ static int radeon_do_engine_reset(struct drm_device * dev)
 
 	radeon_do_pixcache_flush(dev_priv);
 
-	clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
-	mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
-
-	RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
-					    RADEON_FORCEON_MCLKA |
-					    RADEON_FORCEON_MCLKB |
-					    RADEON_FORCEON_YCLKA |
-					    RADEON_FORCEON_YCLKB |
-					    RADEON_FORCEON_MC |
-					    RADEON_FORCEON_AIC));
-
-	rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
-
-	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
-					      RADEON_SOFT_RESET_CP |
-					      RADEON_SOFT_RESET_HI |
-					      RADEON_SOFT_RESET_SE |
-					      RADEON_SOFT_RESET_RE |
-					      RADEON_SOFT_RESET_PP |
-					      RADEON_SOFT_RESET_E2 |
-					      RADEON_SOFT_RESET_RB));
-	RADEON_READ(RADEON_RBBM_SOFT_RESET);
-	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
-					      ~(RADEON_SOFT_RESET_CP |
-						RADEON_SOFT_RESET_HI |
-						RADEON_SOFT_RESET_SE |
-						RADEON_SOFT_RESET_RE |
-						RADEON_SOFT_RESET_PP |
-						RADEON_SOFT_RESET_E2 |
-						RADEON_SOFT_RESET_RB)));
-	RADEON_READ(RADEON_RBBM_SOFT_RESET);
-
-	RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
-	RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
-	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV515) {
+		clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
+		mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
+
+		RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
+						    RADEON_FORCEON_MCLKA |
+						    RADEON_FORCEON_MCLKB |
+						    RADEON_FORCEON_YCLKA |
+						    RADEON_FORCEON_YCLKB |
+						    RADEON_FORCEON_MC |
+						    RADEON_FORCEON_AIC));
+
+		rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
+
+		RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
+						      RADEON_SOFT_RESET_CP |
+						      RADEON_SOFT_RESET_HI |
+						      RADEON_SOFT_RESET_SE |
+						      RADEON_SOFT_RESET_RE |
+						      RADEON_SOFT_RESET_PP |
+						      RADEON_SOFT_RESET_E2 |
+						      RADEON_SOFT_RESET_RB));
+		RADEON_READ(RADEON_RBBM_SOFT_RESET);
+		RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
+						      ~(RADEON_SOFT_RESET_CP |
+							RADEON_SOFT_RESET_HI |
+							RADEON_SOFT_RESET_SE |
+							RADEON_SOFT_RESET_RE |
+							RADEON_SOFT_RESET_PP |
+							RADEON_SOFT_RESET_E2 |
+							RADEON_SOFT_RESET_RB)));
+		RADEON_READ(RADEON_RBBM_SOFT_RESET);
+
+		RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
+		RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
+		RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
+	}
 
 	/* Reset the CP ring */
 	radeon_do_cp_reset(dev_priv);
@@ -1134,14 +1176,14 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev,
 	 * always appended to the fb which is not necessarily the case
 	 */
 	if (!dev_priv->new_memmap)
-		RADEON_WRITE(RADEON_MC_FB_LOCATION,
+		radeon_write_fb_location(dev_priv,
 			     ((dev_priv->gart_vm_start - 1) & 0xffff0000)
 			     | (dev_priv->fb_location >> 16));
 
 #if __OS_HAS_AGP
 	if (dev_priv->flags & RADEON_IS_AGP) {
 		RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
-		RADEON_WRITE(RADEON_MC_AGP_LOCATION,
+		radeon_write_agp_location(dev_priv,
 			     (((dev_priv->gart_vm_start - 1 +
 				dev_priv->gart_size) & 0xffff0000) |
 			      (dev_priv->gart_vm_start >> 16)));
@@ -1305,7 +1347,7 @@ static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
 
 		RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev_priv->gart_vm_start);
 		dev_priv->gart_size = 32*1024*1024;
-		RADEON_WRITE(RADEON_MC_AGP_LOCATION,
+		radeon_write_agp_location(dev_priv,
 			     (((dev_priv->gart_vm_start - 1 +
 			       dev_priv->gart_size) & 0xffff0000) |
 			     (dev_priv->gart_vm_start >> 16)));
@@ -1339,7 +1381,7 @@ static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
 				  dev_priv->gart_vm_start +
 				  dev_priv->gart_size - 1);
 
-		RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);	/* ?? */
+		radeon_write_agp_location(dev_priv, 0xffffffc0); /* ?? */
 
 		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
 				  RADEON_PCIE_TX_GART_EN);
@@ -1382,7 +1424,7 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 
 		/* Turn off AGP aperture -- is this required for PCI GART?
 		 */
-		RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);	/* ?? */
+		radeon_write_agp_location(dev_priv, 0xffffffc0);
 		RADEON_WRITE(RADEON_AGP_COMMAND, 0);	/* clear AGP_COMMAND */
 	} else {
 		RADEON_WRITE(RADEON_AIC_CNTL,
@@ -1587,10 +1629,9 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
 			  dev->agp_buffer_map->handle);
 	}
 
-	dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION)
-				 & 0xffff) << 16;
+	dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16;
 	dev_priv->fb_size =
-		((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000)
+		((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000)
 		- dev_priv->fb_location;
 
 	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
@@ -1841,7 +1882,7 @@ int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_pri
 	LOCK_TEST_WITH_RETURN(dev, file_priv);
 
 	if (init->func == RADEON_INIT_R300_CP)
-		r300_init_reg_flags();
+		r300_init_reg_flags(dev);
 
 	switch (init->func) {
 	case RADEON_INIT_CP:
@@ -2250,6 +2291,10 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
 	case CHIP_R350:
 	case CHIP_R420:
 	case CHIP_RV410:
+	case CHIP_RV515:
+	case CHIP_R520:
+	case CHIP_RV570:
+	case CHIP_R580:
 		dev_priv->flags |= RADEON_HAS_HIERZ;
 		break;
 	default: