graphics/radeon/vip.c

24 static status_t RADEON_VIPFifoIdle(device_info *di, uint8 channel);
30 	device_info *di, uint channel, uint address, uint32 *data )
36 	OUTREG( regs, RADEON_VIPH_REG_ADDR, (channel << 14) | address | 0x2000 );
64 	//SHOW_FLOW( 4, "channel=%d, address=%x, data=%lx", channel, address, *data );
80 	device_info *di, uint channel, uint address, uint32 *data, bool lock )
87 	res = do_VIPRead( di, channel, address, data );
97 static bool do_VIPFifoRead(device_info *di, uint8 channel, uint32 address, uint32 count, uint8 *buffer)
113 	OUTREG( regs, RADEON_VIPH_REG_ADDR,  (channel << 14) | address | 0x3000);
171 bool Radeon_VIPFifoRead(device_info *di, uint8 channel, uint32 address, uint32 count, uint8 *buffer, bool lock)
178 	res = do_VIPFifoRead( di, channel, address, count, buffer );
190 static bool do_VIPWrite( device_info *di, uint8 channel, uint address, uint32 data )
195 	OUTREG( regs, RADEON_VIPH_REG_ADDR, (channel << 14) | (address & ~0x2000) );
199 	//SHOW_FLOW( 4, "channel=%d, address=%x, data=%lx", channel, address, data );
209 bool Radeon_VIPWrite(device_info *di, uint8 channel, uint address, uint32 data, bool lock )
218 	res = do_VIPWrite( di, channel, address, data );
227 static bool do_VIPFifoWrite(device_info *di, uint8 channel, uint32 address,
240 		((channel << 14) | address | 0x1000) & ~0x2000 );
273 bool Radeon_VIPFifoWrite(device_info *di, uint8 channel, uint32 address, uint32 count, uint8 *buffer, bool lock)
283 	res = do_VIPFifoWrite( di, channel, address, count, buffer );
364 static status_t RADEON_VIPFifoIdle(device_info *di, uint8 channel)
370 	if((timeout & 0x0000000f) & channel) /* lockup ?? */
372 		OUTREG( regs, RADEON_VIPH_TIMEOUT_STAT, (timeout & 0xfffffff0) | channel);
405 // find VIP channel of a device
406 // return:	>= 0 channel of device
411 	uint channel;
426 	for( channel = 0; channel < 4; ++channel ) {
429 		if( !Radeon_VIPRead( di, channel, RADEON_VIP_VENDOR_DEVICE_ID, &cur_device_id, false ))	{
430 			SHOW_FLOW( 3, "No device found on channel %d", channel);
436 			SHOW_FLOW( 3, "Device %08" B_PRIx32 " found on channel %d",
437 				device_id, channel);
439 			return channel;