84 static int queue_iso(struct fdtv_ir_context *ctx, int index)  in queue_iso()  argument
89 	p.interrupt = !(++ctx->interrupt_packet & (IRQ_INTERVAL - 1));  in queue_iso()
93 	return fw_iso_context_queue(ctx->context, &p, &ctx->buffer,  in queue_iso()
101 	struct fdtv_ir_context *ctx = fdtv->ir_context;  in handle_iso()  local
103 	int length, err, i = ctx->current_packet;  in handle_iso()
113 		p = ctx->pages[i / PACKETS_PER_PAGE]  in handle_iso()
121 		err = queue_iso(ctx, i);  in handle_iso()
127 	fw_iso_context_queue_flush(ctx->context);  in handle_iso()
128 	ctx->current_packet = i;  in handle_iso()
133 	struct fdtv_ir_context *ctx;  in fdtv_start_iso()  local
137 	ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);  in fdtv_start_iso()
138 	if (!ctx)  in fdtv_start_iso()
141 	ctx->context = fw_iso_context_create(device->card,  in fdtv_start_iso()
144 	if (IS_ERR(ctx->context)) {  in fdtv_start_iso()
145 		err = PTR_ERR(ctx->context);  in fdtv_start_iso()
149 	err = fw_iso_buffer_init(&ctx->buffer, device->card,  in fdtv_start_iso()
154 	ctx->interrupt_packet = 0;  in fdtv_start_iso()
155 	ctx->current_packet = 0;  in fdtv_start_iso()
158 		ctx->pages[i] = page_address(ctx->buffer.pages[i]);  in fdtv_start_iso()
161 		err = queue_iso(ctx, i);  in fdtv_start_iso()
166 	err = fw_iso_context_start(ctx->context, -1, 0,  in fdtv_start_iso()
171 	fdtv->ir_context = ctx;  in fdtv_start_iso()
175 	fw_iso_buffer_destroy(&ctx->buffer, device->card);  in fdtv_start_iso()
177 	fw_iso_context_destroy(ctx->context);  in fdtv_start_iso()
179 	kfree(ctx);  in fdtv_start_iso()
186 	struct fdtv_ir_context *ctx = fdtv->ir_context;  in fdtv_stop_iso()  local
188 	fw_iso_context_stop(ctx->context);  in fdtv_stop_iso()
189 	fw_iso_buffer_destroy(&ctx->buffer, device_of(fdtv)->card);  in fdtv_stop_iso()
190 	fw_iso_context_destroy(ctx->context);  in fdtv_stop_iso()
191 	kfree(ctx);  in fdtv_stop_iso()