class MixFramebuffer(Module, AutoCSR): def __init__(self, pads_vga, pads_dvi, *lasmims, blender_latency=5): assert(all(lasmim.aw == lasmims[0].aw and lasmim.dw == lasmims[0].dw for lasmim in lasmims)) pack_factor = lasmims[0].dw//bpp self.fi = FrameInitiator(lasmims[0].aw, pack_factor, len(lasmims)) self.blender = Blender(len(lasmims), pack_factor, blender_latency) self.driver = Driver(pack_factor, pads_vga, pads_dvi) g = DataFlowGraph() epixel_layout = pixel_layout(pack_factor) for n, lasmim in enumerate(lasmims): intseq = misc.IntSequence(lasmim.aw, lasmim.aw) dma_out = AbstractActor(plumbing.Buffer) g.add_connection(self.fi, intseq, source_subr=self.fi.dma_subr(n)) g.add_pipeline(intseq, AbstractActor(plumbing.Buffer), dma_lasmi.Reader(lasmim), dma_out) cast = structuring.Cast(lasmim.dw, epixel_layout, reverse_to=True) g.add_connection(dma_out, cast) g.add_connection(cast, self.blender, sink_subr=["i"+str(n)]) vtg = VTG(pack_factor) g.add_connection(self.fi, vtg, source_subr=self.fi.timing_subr, sink_ep="timing") g.add_connection(self.blender, vtg, sink_ep="pixels") g.add_connection(vtg, self.driver) self.submodules += CompositeActor(g)
class Framebuffer(Module, AutoCSR): def __init__(self, pads_vga, pads_dvi, lasmim, simulation=False): pack_factor = lasmim.dw//bpp g = DataFlowGraph() self.fi = FrameInitiator(lasmim.aw, pack_factor) intseq = misc.IntSequence(lasmim.aw, lasmim.aw) dma_out = AbstractActor(plumbing.Buffer) g.add_connection(self.fi, intseq, source_subr=self.fi.dma_subr()) g.add_pipeline(intseq, AbstractActor(plumbing.Buffer), dma_lasmi.Reader(lasmim), dma_out) cast = structuring.Cast(lasmim.dw, pixel_layout(pack_factor), reverse_to=True) vtg = VTG(pack_factor) self.driver = Driver(pack_factor, pads_vga, pads_dvi) g.add_connection(self.fi, vtg, source_subr=self.fi.timing_subr, sink_ep="timing") g.add_connection(dma_out, cast) g.add_connection(cast, vtg, sink_ep="pixels") g.add_connection(vtg, self.driver) self.submodules += CompositeActor(g)