diff options
Diffstat (limited to 'drivers/char/drm/sis_mm.c')
| -rw-r--r-- | drivers/char/drm/sis_mm.c | 132 |
1 files changed, 67 insertions, 65 deletions
diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c index 6610c55..50e3238 100644 --- a/drivers/char/drm/sis_mm.c +++ b/drivers/char/drm/sis_mm.c @@ -10,11 +10,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -22,10 +22,10 @@ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. - * + * * Authors: * Sung-Ching Lin <sclin@sis.com.tw> - * + * */ #include "drmP.h" @@ -37,25 +37,23 @@ #endif #define MAX_CONTEXT 100 -#define VIDEO_TYPE 0 +#define VIDEO_TYPE 0 #define AGP_TYPE 1 typedef struct { int used; int context; - set_t *sets[2]; /* 0 for video, 1 for AGP */ + set_t *sets[2]; /* 0 for video, 1 for AGP */ } sis_context_t; static sis_context_t global_ppriv[MAX_CONTEXT]; - static int add_alloc_set(int context, int type, unsigned int val) { int i, retval = 0; - + for (i = 0; i < MAX_CONTEXT; i++) { - if (global_ppriv[i].used && global_ppriv[i].context == context) - { + if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = setAdd(global_ppriv[i].sets[type], val); break; } @@ -64,12 +62,11 @@ static int add_alloc_set(int context, int type, unsigned int val) } static int del_alloc_set(int context, int type, unsigned int val) -{ +{ int i, retval = 0; for (i = 0; i < MAX_CONTEXT; i++) { - if (global_ppriv[i].used && global_ppriv[i].context == context) - { + if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = setDel(global_ppriv[i].sets[type], val); break; } @@ -77,15 +74,15 @@ static int del_alloc_set(int context, int type, unsigned int val) return retval; } -/* fb management via fb device */ +/* fb management via fb device */ #if defined(__linux__) && defined(CONFIG_FB_SIS) -static int sis_fb_init( DRM_IOCTL_ARGS ) +static int sis_fb_init(DRM_IOCTL_ARGS) { return 0; } -static int sis_fb_alloc( DRM_IOCTL_ARGS ) +static int sis_fb_alloc(DRM_IOCTL_ARGS) { drm_sis_mem_t fb; struct sis_memreq req; @@ -105,7 +102,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS ) sis_free(req.offset); retval = DRM_ERR(EINVAL); } - } else { + } else { fb.offset = 0; fb.size = 0; fb.free = 0; @@ -118,19 +115,19 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS ) return retval; } -static int sis_fb_free( DRM_IOCTL_ARGS ) +static int sis_fb_free(DRM_IOCTL_ARGS) { drm_sis_mem_t fb; int retval = 0; - DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb)); + DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb)); if (!fb.free) return DRM_ERR(EINVAL); if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) retval = DRM_ERR(EINVAL); - sis_free((u32)fb.free); + sis_free((u32) fb.free); DRM_DEBUG("free fb, offset = %lu\n", fb.free); @@ -149,17 +146,17 @@ static int sis_fb_free( DRM_IOCTL_ARGS ) * X driver/sisfb HW- Command- * framebuffer memory DRI heap Cursor queue */ -static int sis_fb_init( DRM_IOCTL_ARGS ) +static int sis_fb_init(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_fb_t fb; - DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *)data, sizeof(fb)); + DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *) data, sizeof(fb)); if (dev_priv == NULL) { dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), - DRM_MEM_DRIVER); + DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; @@ -175,7 +172,7 @@ static int sis_fb_init( DRM_IOCTL_ARGS ) return 0; } -static int sis_fb_alloc( DRM_IOCTL_ARGS ) +static int sis_fb_alloc(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; @@ -186,9 +183,9 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS ) if (dev_priv == NULL || dev_priv->FBHeap == NULL) return DRM_ERR(EINVAL); - + DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb)); - + block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0); if (block) { /* TODO */ @@ -196,7 +193,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS ) fb.free = (unsigned long)block; if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) { DRM_DEBUG("adding to allocation set fails\n"); - mmFreeMem((PMemBlock)fb.free); + mmFreeMem((PMemBlock) fb.free); retval = DRM_ERR(EINVAL); } } else { @@ -212,7 +209,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS ) return retval; } -static int sis_fb_free( DRM_IOCTL_ARGS ) +static int sis_fb_free(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; @@ -221,14 +218,14 @@ static int sis_fb_free( DRM_IOCTL_ARGS ) if (dev_priv == NULL || dev_priv->FBHeap == NULL) return DRM_ERR(EINVAL); - DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb)); + DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb)); - if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock)fb.free)) + if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock) fb.free)) return DRM_ERR(EINVAL); if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) return DRM_ERR(EINVAL); - mmFreeMem((PMemBlock)fb.free); + mmFreeMem((PMemBlock) fb.free); DRM_DEBUG("free fb, free = 0x%lx\n", fb.free); @@ -237,9 +234,9 @@ static int sis_fb_free( DRM_IOCTL_ARGS ) #endif -/* agp memory management */ +/* agp memory management */ -static int sis_ioctl_agp_init( DRM_IOCTL_ARGS ) +static int sis_ioctl_agp_init(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; @@ -247,7 +244,7 @@ static int sis_ioctl_agp_init( DRM_IOCTL_ARGS ) if (dev_priv == NULL) { dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), - DRM_MEM_DRIVER); + DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; @@ -256,16 +253,17 @@ static int sis_ioctl_agp_init( DRM_IOCTL_ARGS ) if (dev_priv->AGPHeap != NULL) return DRM_ERR(EINVAL); - DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *)data, sizeof(agp)); + DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *) data, + sizeof(agp)); dev_priv->AGPHeap = mmInit(agp.offset, agp.size); DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size); - + return 0; } -static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ) +static int sis_ioctl_agp_alloc(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; @@ -273,12 +271,12 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ) drm_sis_mem_t agp; PMemBlock block; int retval = 0; - + if (dev_priv == NULL || dev_priv->AGPHeap == NULL) return DRM_ERR(EINVAL); - + DRM_COPY_FROM_USER_IOCTL(agp, argp, sizeof(agp)); - + block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0); if (block) { /* TODO */ @@ -286,10 +284,10 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ) agp.free = (unsigned long)block; if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) { DRM_DEBUG("adding to allocation set fails\n"); - mmFreeMem((PMemBlock)agp.free); + mmFreeMem((PMemBlock) agp.free); retval = -1; } - } else { + } else { agp.offset = 0; agp.size = 0; agp.free = 0; @@ -302,7 +300,7 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ) return retval; } -static int sis_ioctl_agp_free( DRM_IOCTL_ARGS ) +static int sis_ioctl_agp_free(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; @@ -311,12 +309,13 @@ static int sis_ioctl_agp_free( DRM_IOCTL_ARGS ) if (dev_priv == NULL || dev_priv->AGPHeap == NULL) return DRM_ERR(EINVAL); - DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *)data, sizeof(agp)); + DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *) data, + sizeof(agp)); - if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock)agp.free)) + if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock) agp.free)) return DRM_ERR(EINVAL); - mmFreeMem((PMemBlock)agp.free); + mmFreeMem((PMemBlock) agp.free); if (!del_alloc_set(agp.context, AGP_TYPE, agp.free)) return DRM_ERR(EINVAL); @@ -329,31 +328,30 @@ int sis_init_context(struct drm_device *dev, int context) { int i; - for (i = 0; i < MAX_CONTEXT ; i++) { + for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && (global_ppriv[i].context == context)) break; } if (i >= MAX_CONTEXT) { - for (i = 0; i < MAX_CONTEXT ; i++) { + for (i = 0; i < MAX_CONTEXT; i++) { if (!global_ppriv[i].used) { global_ppriv[i].context = context; global_ppriv[i].used = 1; global_ppriv[i].sets[0] = setInit(); global_ppriv[i].sets[1] = setInit(); DRM_DEBUG("init allocation set, socket=%d, " - "context = %d\n", i, context); + "context = %d\n", i, context); break; } } if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) || - (global_ppriv[i].sets[1] == NULL)) - { + (global_ppriv[i].sets[1] == NULL)) { return 0; } } - + return 1; } @@ -361,7 +359,7 @@ int sis_final_context(struct drm_device *dev, int context) { int i; - for (i=0; i<MAX_CONTEXT; i++) { + for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && (global_ppriv[i].context == context)) break; @@ -382,7 +380,7 @@ int sis_final_context(struct drm_device *dev, int context) #if defined(__linux__) && defined(CONFIG_FB_SIS) sis_free(item); #else - mmFreeMem((PMemBlock)item); + mmFreeMem((PMemBlock) item); #endif retval = setNext(set, &item); } @@ -393,25 +391,29 @@ int sis_final_context(struct drm_device *dev, int context) retval = setFirst(set, &item); while (retval) { DRM_DEBUG("free agp memory 0x%x\n", item); - mmFreeMem((PMemBlock)item); + mmFreeMem((PMemBlock) item); retval = setNext(set, &item); } setDestroy(set); - global_ppriv[i].used = 0; - } - + global_ppriv[i].used = 0; + } + return 1; } drm_ioctl_desc_t sis_ioctls[] = { - [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = { sis_fb_alloc, 1, 0 }, - [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = { sis_fb_free, 1, 0 }, - [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = { sis_ioctl_agp_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = { sis_ioctl_agp_alloc, 1, 0 }, - [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = { sis_ioctl_agp_free, 1, 0 }, - [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = { sis_fb_init, 1, 1 } + [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, 1, 0} + , + [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_fb_free, 1, 0} + , + [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = {sis_ioctl_agp_init, 1, 1} + , + [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, 1, 0} + , + [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_ioctl_agp_free, 1, 0} + , + [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = {sis_fb_init, 1, 1} }; int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls); - |
