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path: root/drivers/gpu/drm/r128/r128_cce.c
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Diffstat (limited to 'drivers/gpu/drm/r128/r128_cce.c')
-rw-r--r--drivers/gpu/drm/r128/r128_cce.c195
1 files changed, 98 insertions, 97 deletions
diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c
index 077c0455a6b..59459fe4e8c 100644
--- a/drivers/gpu/drm/r128/r128_cce.c
+++ b/drivers/gpu/drm/r128/r128_cce.c
@@ -29,59 +29,22 @@
* Gareth Hughes <gareth@valinux.com>
*/
-#include "drmP.h"
-#include "drm.h"
-#include "r128_drm.h"
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include <drm/drmP.h>
+#include <drm/r128_drm.h>
#include "r128_drv.h"
#define R128_FIFO_DEBUG 0
-/* CCE microcode (from ATI) */
-static u32 r128_cce_microcode[] = {
- 0, 276838400, 0, 268449792, 2, 142, 2, 145, 0, 1076765731, 0,
- 1617039951, 0, 774592877, 0, 1987540286, 0, 2307490946U, 0,
- 599558925, 0, 589505315, 0, 596487092, 0, 589505315, 1,
- 11544576, 1, 206848, 1, 311296, 1, 198656, 2, 912273422, 11,
- 262144, 0, 0, 1, 33559837, 1, 7438, 1, 14809, 1, 6615, 12, 28,
- 1, 6614, 12, 28, 2, 23, 11, 18874368, 0, 16790922, 1, 409600, 9,
- 30, 1, 147854772, 16, 420483072, 3, 8192, 0, 10240, 1, 198656,
- 1, 15630, 1, 51200, 10, 34858, 9, 42, 1, 33559823, 2, 10276, 1,
- 15717, 1, 15718, 2, 43, 1, 15936948, 1, 570480831, 1, 14715071,
- 12, 322123831, 1, 33953125, 12, 55, 1, 33559908, 1, 15718, 2,
- 46, 4, 2099258, 1, 526336, 1, 442623, 4, 4194365, 1, 509952, 1,
- 459007, 3, 0, 12, 92, 2, 46, 12, 176, 1, 15734, 1, 206848, 1,
- 18432, 1, 133120, 1, 100670734, 1, 149504, 1, 165888, 1,
- 15975928, 1, 1048576, 6, 3145806, 1, 15715, 16, 2150645232U, 2,
- 268449859, 2, 10307, 12, 176, 1, 15734, 1, 15735, 1, 15630, 1,
- 15631, 1, 5253120, 6, 3145810, 16, 2150645232U, 1, 15864, 2, 82,
- 1, 343310, 1, 1064207, 2, 3145813, 1, 15728, 1, 7817, 1, 15729,
- 3, 15730, 12, 92, 2, 98, 1, 16168, 1, 16167, 1, 16002, 1, 16008,
- 1, 15974, 1, 15975, 1, 15990, 1, 15976, 1, 15977, 1, 15980, 0,
- 15981, 1, 10240, 1, 5253120, 1, 15720, 1, 198656, 6, 110, 1,
- 180224, 1, 103824738, 2, 112, 2, 3145839, 0, 536885440, 1,
- 114880, 14, 125, 12, 206975, 1, 33559995, 12, 198784, 0,
- 33570236, 1, 15803, 0, 15804, 3, 294912, 1, 294912, 3, 442370,
- 1, 11544576, 0, 811612160, 1, 12593152, 1, 11536384, 1,
- 14024704, 7, 310382726, 0, 10240, 1, 14796, 1, 14797, 1, 14793,
- 1, 14794, 0, 14795, 1, 268679168, 1, 9437184, 1, 268449792, 1,
- 198656, 1, 9452827, 1, 1075854602, 1, 1075854603, 1, 557056, 1,
- 114880, 14, 159, 12, 198784, 1, 1109409213, 12, 198783, 1,
- 1107312059, 12, 198784, 1, 1109409212, 2, 162, 1, 1075854781, 1,
- 1073757627, 1, 1075854780, 1, 540672, 1, 10485760, 6, 3145894,
- 16, 274741248, 9, 168, 3, 4194304, 3, 4209949, 0, 0, 0, 256, 14,
- 174, 1, 114857, 1, 33560007, 12, 176, 0, 10240, 1, 114858, 1,
- 33560018, 1, 114857, 3, 33560007, 1, 16008, 1, 114874, 1,
- 33560360, 1, 114875, 1, 33560154, 0, 15963, 0, 256, 0, 4096, 1,
- 409611, 9, 188, 0, 10240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static int R128_READ_PLL(struct drm_device * dev, int addr)
+#define FIRMWARE_NAME "r128/r128_cce.bin"
+
+MODULE_FIRMWARE(FIRMWARE_NAME);
+
+static int R128_READ_PLL(struct drm_device *dev, int addr)
{
drm_r128_private_t *dev_priv = dev->dev_private;
@@ -90,7 +53,7 @@ static int R128_READ_PLL(struct drm_device * dev, int addr)
}
#if R128_FIFO_DEBUG
-static void r128_status(drm_r128_private_t * dev_priv)
+static void r128_status(drm_r128_private_t *dev_priv)
{
printk("GUI_STAT = 0x%08x\n",
(unsigned int)R128_READ(R128_GUI_STAT));
@@ -111,7 +74,7 @@ static void r128_status(drm_r128_private_t * dev_priv)
* Engine, FIFO control
*/
-static int r128_do_pixcache_flush(drm_r128_private_t * dev_priv)
+static int r128_do_pixcache_flush(drm_r128_private_t *dev_priv)
{
u32 tmp;
int i;
@@ -120,9 +83,8 @@ static int r128_do_pixcache_flush(drm_r128_private_t * dev_priv)
R128_WRITE(R128_PC_NGUI_CTLSTAT, tmp);
for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY)) {
+ if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY))
return 0;
- }
DRM_UDELAY(1);
}
@@ -132,7 +94,7 @@ static int r128_do_pixcache_flush(drm_r128_private_t * dev_priv)
return -EBUSY;
}
-static int r128_do_wait_for_fifo(drm_r128_private_t * dev_priv, int entries)
+static int r128_do_wait_for_fifo(drm_r128_private_t *dev_priv, int entries)
{
int i;
@@ -149,7 +111,7 @@ static int r128_do_wait_for_fifo(drm_r128_private_t * dev_priv, int entries)
return -EBUSY;
}
-static int r128_do_wait_for_idle(drm_r128_private_t * dev_priv)
+static int r128_do_wait_for_idle(drm_r128_private_t *dev_priv)
{
int i, ret;
@@ -176,27 +138,57 @@ static int r128_do_wait_for_idle(drm_r128_private_t * dev_priv)
*/
/* Load the microcode for the CCE */
-static void r128_cce_load_microcode(drm_r128_private_t * dev_priv)
+static int r128_cce_load_microcode(drm_r128_private_t *dev_priv)
{
- int i;
+ struct platform_device *pdev;
+ const struct firmware *fw;
+ const __be32 *fw_data;
+ int rc, i;
DRM_DEBUG("\n");
+ pdev = platform_device_register_simple("r128_cce", 0, NULL, 0);
+ if (IS_ERR(pdev)) {
+ printk(KERN_ERR "r128_cce: Failed to register firmware\n");
+ return PTR_ERR(pdev);
+ }
+ rc = request_firmware(&fw, FIRMWARE_NAME, &pdev->dev);
+ platform_device_unregister(pdev);
+ if (rc) {
+ printk(KERN_ERR "r128_cce: Failed to load firmware \"%s\"\n",
+ FIRMWARE_NAME);
+ return rc;
+ }
+
+ if (fw->size != 256 * 8) {
+ printk(KERN_ERR
+ "r128_cce: Bogus length %zu in firmware \"%s\"\n",
+ fw->size, FIRMWARE_NAME);
+ rc = -EINVAL;
+ goto out_release;
+ }
+
r128_do_wait_for_idle(dev_priv);
+ fw_data = (const __be32 *)fw->data;
R128_WRITE(R128_PM4_MICROCODE_ADDR, 0);
for (i = 0; i < 256; i++) {
- R128_WRITE(R128_PM4_MICROCODE_DATAH, r128_cce_microcode[i * 2]);
+ R128_WRITE(R128_PM4_MICROCODE_DATAH,
+ be32_to_cpup(&fw_data[i * 2]));
R128_WRITE(R128_PM4_MICROCODE_DATAL,
- r128_cce_microcode[i * 2 + 1]);
+ be32_to_cpup(&fw_data[i * 2 + 1]));
}
+
+out_release:
+ release_firmware(fw);
+ return rc;
}
/* Flush any pending commands to the CCE. This should only be used just
* prior to a wait for idle, as it informs the engine that the command
* stream is ending.
*/
-static void r128_do_cce_flush(drm_r128_private_t * dev_priv)
+static void r128_do_cce_flush(drm_r128_private_t *dev_priv)
{
u32 tmp;
@@ -206,7 +198,7 @@ static void r128_do_cce_flush(drm_r128_private_t * dev_priv)
/* Wait for the CCE to go idle.
*/
-int r128_do_cce_idle(drm_r128_private_t * dev_priv)
+int r128_do_cce_idle(drm_r128_private_t *dev_priv)
{
int i;
@@ -232,7 +224,7 @@ int r128_do_cce_idle(drm_r128_private_t * dev_priv)
/* Start the Concurrent Command Engine.
*/
-static void r128_do_cce_start(drm_r128_private_t * dev_priv)
+static void r128_do_cce_start(drm_r128_private_t *dev_priv)
{
r128_do_wait_for_idle(dev_priv);
@@ -249,7 +241,7 @@ static void r128_do_cce_start(drm_r128_private_t * dev_priv)
* commands, so you must wait for the CCE command stream to complete
* before calling this routine.
*/
-static void r128_do_cce_reset(drm_r128_private_t * dev_priv)
+static void r128_do_cce_reset(drm_r128_private_t *dev_priv)
{
R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0);
R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0);
@@ -260,7 +252,7 @@ static void r128_do_cce_reset(drm_r128_private_t * dev_priv)
* commands, so you must flush the command stream and wait for the CCE
* to go idle before calling this routine.
*/
-static void r128_do_cce_stop(drm_r128_private_t * dev_priv)
+static void r128_do_cce_stop(drm_r128_private_t *dev_priv)
{
R128_WRITE(R128_PM4_MICRO_CNTL, 0);
R128_WRITE(R128_PM4_BUFFER_CNTL,
@@ -271,7 +263,7 @@ static void r128_do_cce_stop(drm_r128_private_t * dev_priv)
/* Reset the engine. This will stop the CCE if it is running.
*/
-static int r128_do_engine_reset(struct drm_device * dev)
+static int r128_do_engine_reset(struct drm_device *dev)
{
drm_r128_private_t *dev_priv = dev->dev_private;
u32 clock_cntl_index, mclk_cntl, gen_reset_cntl;
@@ -308,8 +300,8 @@ static int r128_do_engine_reset(struct drm_device * dev)
return 0;
}
-static void r128_cce_init_ring_buffer(struct drm_device * dev,
- drm_r128_private_t * dev_priv)
+static void r128_cce_init_ring_buffer(struct drm_device *dev,
+ drm_r128_private_t *dev_priv)
{
u32 ring_start;
u32 tmp;
@@ -347,18 +339,22 @@ static void r128_cce_init_ring_buffer(struct drm_device * dev,
R128_WRITE(R128_BUS_CNTL, tmp);
}
-static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
+static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init)
{
drm_r128_private_t *dev_priv;
+ int rc;
DRM_DEBUG("\n");
- dev_priv = drm_alloc(sizeof(drm_r128_private_t), DRM_MEM_DRIVER);
+ if (dev->dev_private) {
+ DRM_DEBUG("called when already initialized\n");
+ return -EINVAL;
+ }
+
+ dev_priv = kzalloc(sizeof(drm_r128_private_t), GFP_KERNEL);
if (dev_priv == NULL)
return -ENOMEM;
- memset(dev_priv, 0, sizeof(drm_r128_private_t));
-
dev_priv->is_pci = init->is_pci;
if (dev_priv->is_pci && !dev->sg) {
@@ -544,7 +540,7 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
dev_priv->ring.end = ((u32 *) dev_priv->cce_ring->handle
+ init->ring_size / sizeof(u32));
dev_priv->ring.size = init->ring_size;
- dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
+ dev_priv->ring.size_l2qw = order_base_2(init->ring_size / 8);
dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
@@ -577,16 +573,21 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
#endif
r128_cce_init_ring_buffer(dev, dev_priv);
- r128_cce_load_microcode(dev_priv);
+ rc = r128_cce_load_microcode(dev_priv);
dev->dev_private = (void *)dev_priv;
r128_do_engine_reset(dev);
- return 0;
+ if (rc) {
+ DRM_ERROR("Failed to load firmware!\n");
+ r128_do_cleanup_cce(dev);
+ }
+
+ return rc;
}
-int r128_do_cleanup_cce(struct drm_device * dev)
+int r128_do_cleanup_cce(struct drm_device *dev)
{
/* Make sure interrupts are disabled here because the uninstall ioctl
@@ -619,8 +620,7 @@ int r128_do_cleanup_cce(struct drm_device * dev)
("failed to cleanup PCI GART!\n");
}
- drm_free(dev->dev_private, sizeof(drm_r128_private_t),
- DRM_MEM_DRIVER);
+ kfree(dev->dev_private);
dev->dev_private = NULL;
}
@@ -652,6 +652,8 @@ int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_pri
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
if (dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4) {
DRM_DEBUG("while CCE running\n");
return 0;
@@ -674,12 +676,13 @@ int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
/* Flush any pending CCE commands. This ensures any outstanding
* commands are exectuted by the engine before we turn it off.
*/
- if (stop->flush) {
+ if (stop->flush)
r128_do_cce_flush(dev_priv);
- }
/* If we fail to make the engine go idle, we return an error
* code so that the DRM ioctl wrapper can try again.
@@ -711,10 +714,7 @@ int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_pri
LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (!dev_priv) {
- DRM_DEBUG("called before init done\n");
- return -EINVAL;
- }
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
r128_do_cce_reset(dev_priv);
@@ -731,9 +731,10 @@ int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv
LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (dev_priv->cce_running) {
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ if (dev_priv->cce_running)
r128_do_cce_flush(dev_priv);
- }
return r128_do_cce_idle(dev_priv);
}
@@ -744,6 +745,8 @@ int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev->dev_private);
+
return r128_do_engine_reset(dev);
}
@@ -759,7 +762,7 @@ int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_pr
#define R128_BUFFER_FREE 0
#if 0
-static int r128_freelist_init(struct drm_device * dev)
+static int r128_freelist_init(struct drm_device *dev)
{
struct drm_device_dma *dma = dev->dma;
drm_r128_private_t *dev_priv = dev->dev_private;
@@ -768,18 +771,17 @@ static int r128_freelist_init(struct drm_device * dev)
drm_r128_freelist_t *entry;
int i;
- dev_priv->head = drm_alloc(sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER);
+ dev_priv->head = kzalloc(sizeof(drm_r128_freelist_t), GFP_KERNEL);
if (dev_priv->head == NULL)
return -ENOMEM;
- memset(dev_priv->head, 0, sizeof(drm_r128_freelist_t));
dev_priv->head->age = R128_BUFFER_USED;
for (i = 0; i < dma->buf_count; i++) {
buf = dma->buflist[i];
buf_priv = buf->dev_private;
- entry = drm_alloc(sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER);
+ entry = kmalloc(sizeof(drm_r128_freelist_t), GFP_KERNEL);
if (!entry)
return -ENOMEM;
@@ -843,7 +845,7 @@ static struct drm_buf *r128_freelist_get(struct drm_device * dev)
return NULL;
}
-void r128_freelist_reset(struct drm_device * dev)
+void r128_freelist_reset(struct drm_device *dev)
{
struct drm_device_dma *dma = dev->dma;
int i;
@@ -859,7 +861,7 @@ void r128_freelist_reset(struct drm_device * dev)
* CCE command submission
*/
-int r128_wait_ring(drm_r128_private_t * dev_priv, int n)
+int r128_wait_ring(drm_r128_private_t *dev_priv, int n)
{
drm_r128_ring_buffer_t *ring = &dev_priv->ring;
int i;
@@ -876,9 +878,9 @@ int r128_wait_ring(drm_r128_private_t * dev_priv, int n)
return -EBUSY;
}
-static int r128_cce_get_buffers(struct drm_device * dev,
+static int r128_cce_get_buffers(struct drm_device *dev,
struct drm_file *file_priv,
- struct drm_dma * d)
+ struct drm_dma *d)
{
int i;
struct drm_buf *buf;
@@ -890,10 +892,10 @@ static int r128_cce_get_buffers(struct drm_device * dev,
buf->file_priv = file_priv;
- if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
+ if (copy_to_user(&d->request_indices[i], &buf->idx,
sizeof(buf->idx)))
return -EFAULT;
- if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
+ if (copy_to_user(&d->request_sizes[i], &buf->total,
sizeof(buf->total)))
return -EFAULT;
@@ -928,9 +930,8 @@ int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_p
d->granted_count = 0;
- if (d->request_count) {
+ if (d->request_count)
ret = r128_cce_get_buffers(dev, file_priv, d);
- }
return ret;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 22:39:59 +0000