59 	struct dma_channel		channel;  member
71 	struct musb_dma_channel		channel[MUSB_HSDMA_CHANNELS];  member
79 static void dma_channel_release(struct dma_channel *channel);
84 	struct dma_channel *channel;  in dma_controller_stop()  local
89 			"Stopping DMA controller while channel active\n");  in dma_controller_stop()
93 				channel = &controller->channel[bit].channel;  in dma_controller_stop()
94 				dma_channel_release(channel);  in dma_controller_stop()
109 	struct dma_channel *channel = NULL;  in dma_channel_allocate()  local
115 			musb_channel = &(controller->channel[bit]);  in dma_channel_allocate()
120 			channel = &(musb_channel->channel);  in dma_channel_allocate()
121 			channel->private_data = musb_channel;  in dma_channel_allocate()
122 			channel->status = MUSB_DMA_STATUS_FREE;  in dma_channel_allocate()
123 			channel->max_len = 0x100000;  in dma_channel_allocate()
125 			channel->desired_mode = transmit;  in dma_channel_allocate()
126 			channel->actual_len = 0;  in dma_channel_allocate()
131 	return channel;  in dma_channel_allocate()
134 static void dma_channel_release(struct dma_channel *channel)  in dma_channel_release()  argument
136 	struct musb_dma_channel *musb_channel = channel->private_data;  in dma_channel_release()
138 	channel->actual_len = 0;  in dma_channel_release()
145 	channel->status = MUSB_DMA_STATUS_UNKNOWN;  in dma_channel_release()
148 static void configure_channel(struct dma_channel *channel,  in configure_channel()  argument
152 	struct musb_dma_channel *musb_channel = channel->private_data;  in configure_channel()
160 			channel, packet_sz, &dma_addr, len, mode);  in configure_channel()
186 static int dma_channel_program(struct dma_channel *channel,  in dma_channel_program()  argument
190 	struct musb_dma_channel *musb_channel = channel->private_data;  in dma_channel_program()
199 	BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN ||  in dma_channel_program()
200 		channel->status == MUSB_DMA_STATUS_BUSY);  in dma_channel_program()
214 	channel->actual_len = 0;  in dma_channel_program()
218 	channel->status = MUSB_DMA_STATUS_BUSY;  in dma_channel_program()
220 	configure_channel(channel, packet_sz, mode, dma_addr, len);  in dma_channel_program()
225 static int dma_channel_abort(struct dma_channel *channel)  in dma_channel_abort()  argument
227 	struct musb_dma_channel *musb_channel = channel->private_data;  in dma_channel_abort()
235 	if (channel->status == MUSB_DMA_STATUS_BUSY) {  in dma_channel_abort()
265 		channel->status = MUSB_DMA_STATUS_FREE;  in dma_channel_abort()
276 	struct dma_channel *channel;  in dma_controller_irq()  local
299 					&(controller->channel[bchannel]);  in dma_controller_irq()
300 			channel = &musb_channel->channel;  in dma_controller_irq()
301 			if (channel->status == MUSB_DMA_STATUS_BUSY) {  in dma_controller_irq()
318 					&(controller->channel[bchannel]);  in dma_controller_irq()
319 			channel = &musb_channel->channel;  in dma_controller_irq()
326 				musb_channel->channel.status =  in dma_controller_irq()
333 				channel->actual_len = addr  in dma_controller_irq()
337 					channel, musb_channel->start_addr,  in dma_controller_irq()
338 					addr, channel->actual_len,  in dma_controller_irq()
340 					(channel->actual_len  in dma_controller_irq()
346 				channel->status = MUSB_DMA_STATUS_FREE;  in dma_controller_irq()
350 					(!channel->desired_mode ||  in dma_controller_irq()
351 					(channel->actual_len %  in dma_controller_irq()
364 					if (channel->desired_mode == 1) {  in dma_controller_irq()