int kgsl_ringbuffer_init(struct kgsl_device *device)
{
int status;
struct kgsl_yamato_device *yamato_device = KGSL_YAMATO_DEVICE(device);
struct kgsl_ringbuffer *rb = &yamato_device->ringbuffer;
rb->device = device;
rb->sizedwords = (2 << kgsl_cfg_rb_sizelog2quadwords);
rb->blksizequadwords = kgsl_cfg_rb_blksizequadwords;
/* allocate memory for ringbuffer */
status = kgsl_sharedmem_alloc_coherent(&rb->buffer_desc,
(rb->sizedwords << 2));
if (status != 0) {
kgsl_ringbuffer_close(rb);
return status;
}
/* allocate memory for polling and timestamps */
/* This really can be at 4 byte alignment boundry but for using MMU
* we need to make it at page boundary */
status = kgsl_sharedmem_alloc_coherent(&rb->memptrs_desc,
sizeof(struct kgsl_rbmemptrs));
if (status != 0) {
kgsl_ringbuffer_close(rb);
return status;
}
/* overlay structure on memptrs memory */
rb->memptrs = (struct kgsl_rbmemptrs *) rb->memptrs_desc.hostptr;
return 0;
}
int kgsl_g12_cmdstream_init(struct kgsl_device *device)
{
struct kgsl_g12_device *g12_device = (struct kgsl_g12_device *) device;
memset(&g12_device->ringbuffer, 0, sizeof(struct kgsl_g12_ringbuffer));
g12_device->ringbuffer.prevctx = KGSL_G12_INVALID_CONTEXT;
return kgsl_sharedmem_alloc_coherent(&g12_device->ringbuffer.cmdbufdesc,
KGSL_G12_RB_SIZE);
}
int kgsl_ringbuffer_init(struct kgsl_device *device)
{
int status;
//uint32_t flags;
struct kgsl_ringbuffer *rb = &device->ringbuffer;
KGSL_CMD_VDBG("enter (device=%p)\n", device);
rb->device = device;
rb->sizedwords = (2 << kgsl_cfg_rb_sizelog2quadwords);
rb->blksizequadwords = kgsl_cfg_rb_blksizequadwords;
/* allocate memory for ringbuffer */
status = kgsl_sharedmem_alloc_coherent(&rb->buffer_desc,
(rb->sizedwords << 2));
if (status != 0) {
kgsl_ringbuffer_close(rb);
KGSL_CMD_VDBG("return %d\n", status);
return status;
}
/* allocate memory for polling and timestamps */
/* This really can be at 4 byte alignment boundry but for using MMU
* we need to make it at page boundary */
status = kgsl_sharedmem_alloc_coherent(&rb->memptrs_desc,
sizeof(struct kgsl_rbmemptrs));
if (status != 0) {
kgsl_ringbuffer_close(rb);
KGSL_CMD_VDBG("return %d\n", status);
return status;
}
/* overlay structure on memptrs memory */
rb->memptrs = (struct kgsl_rbmemptrs *) rb->memptrs_desc.hostptr;
rb->flags |= KGSL_FLAGS_INITIALIZED;
KGSL_CMD_VDBG("return %d\n", 0);
return 0;
}
int
kgsl_g12_drawctxt_create(struct kgsl_device_private *dev_priv,
uint32_t unused,
unsigned int *drawctxt_id)
{
int cmd;
int result;
unsigned int ctx_id;
struct kgsl_device *device = dev_priv->device;
if (g_z1xx.numcontext == 0) {
if (kgsl_sharedmem_alloc_coherent(&g_z1xx.cmdbufdesc,
KGSL_G12_RB_SIZE) != 0)
return -ENOMEM;
cmd = (int)(((VGV3_NEXTCMD_JUMP) &
VGV3_NEXTCMD_NEXTCMD_FMASK)
<< VGV3_NEXTCMD_NEXTCMD_FSHIFT);
result = kgsl_g12_cmdwindow_write(device, KGSL_CMDWINDOW_2D,
ADDR_VGV3_MODE, 4);
if (result != 0)
return result;
result = kgsl_g12_cmdwindow_write(device, KGSL_CMDWINDOW_2D,
ADDR_VGV3_NEXTADDR,
g_z1xx.cmdbufdesc.physaddr);
if (result != 0)
return result;
result = kgsl_g12_cmdwindow_write(device, KGSL_CMDWINDOW_2D,
ADDR_VGV3_NEXTCMD, cmd | 5);
if (result != 0)
return result;
result = kgsl_g12_cmdwindow_write(device, KGSL_CMDWINDOW_2D,
ADDR_VGV3_CONTROL, 0);
if (result != 0)
return result;
}
ctx_id = ffz(dev_priv->ctxt_id_mask);
g_z1xx.numcontext++;
if (g_z1xx.numcontext > KGSL_G12_CONTEXT_MAX) {
*drawctxt_id = 0;
return KGSL_FAILURE;
}
*drawctxt_id = ctx_id;
return KGSL_SUCCESS;
}
