diff options
Diffstat (limited to 'drivers/gpu/drm/r128/r128_cce.c')
| -rw-r--r-- | drivers/gpu/drm/r128/r128_cce.c | 116 |
1 files changed, 62 insertions, 54 deletions
diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c index c75fd356404..4c39a407aa4 100644 --- a/drivers/gpu/drm/r128/r128_cce.c +++ b/drivers/gpu/drm/r128/r128_cce.c @@ -29,6 +29,9 @@ * Gareth Hughes <gareth@valinux.com> */ +#include <linux/firmware.h> +#include <linux/platform_device.h> + #include "drmP.h" #include "drm.h" #include "r128_drm.h" @@ -36,50 +39,9 @@ #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 -}; +#define FIRMWARE_NAME "r128/r128_cce.bin" + +MODULE_FIRMWARE(FIRMWARE_NAME); static int R128_READ_PLL(struct drm_device * dev, int addr) { @@ -176,20 +138,50 @@ 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 @@ -350,9 +342,15 @@ static void r128_cce_init_ring_buffer(struct drm_device * dev, 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"); + 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; @@ -575,13 +573,18 @@ 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) @@ -649,6 +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; @@ -671,6 +676,8 @@ 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. */ @@ -708,10 +715,7 @@ 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); @@ -728,6 +732,8 @@ int r128_cce_idle(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); + if (dev_priv->cce_running) { r128_do_cce_flush(dev_priv); } @@ -741,6 +747,8 @@ 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); } |