Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / blackfin / bf6xx-sport.h

diff --git a/kernel/sound/soc/blackfin/bf6xx-sport.h b/kernel/sound/soc/blackfin/bf6xx-sport.h
new file mode 100644 (file)
index 0000000..307d193
--- /dev/null
+++ b/kernel/sound/soc/blackfin/bf6xx-sport.h
@@ -0,0 +1,82 @@
+/*
+ * bf6xx_sport - Analog Devices BF6XX SPORT driver
+ *
+ * Copyright (c) 2012 Analog Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _BF6XX_SPORT_H_
+#define _BF6XX_SPORT_H_
+
+#include <linux/platform_device.h>
+#include <asm/bfin_sport3.h>
+
+struct sport_device {
+       struct platform_device *pdev;
+       const unsigned short *pin_req;
+       struct sport_register *tx_regs;
+       struct sport_register *rx_regs;
+       int tx_dma_chan;
+       int rx_dma_chan;
+       int tx_err_irq;
+       int rx_err_irq;
+
+       void (*tx_callback)(void *data);
+       void *tx_data;
+       void (*rx_callback)(void *data);
+       void *rx_data;
+
+       struct dmasg *tx_desc;
+       struct dmasg *rx_desc;
+       unsigned int tx_desc_size;
+       unsigned int rx_desc_size;
+       unsigned char *tx_buf;
+       unsigned char *rx_buf;
+       unsigned int tx_fragsize;
+       unsigned int rx_fragsize;
+       unsigned int tx_frags;
+       unsigned int rx_frags;
+       unsigned int wdsize;
+};
+
+struct sport_params {
+       u32 spctl;
+       u32 div;
+};
+
+struct sport_device *sport_create(struct platform_device *pdev);
+void sport_delete(struct sport_device *sport);
+int sport_set_tx_params(struct sport_device *sport,
+               struct sport_params *params);
+int sport_set_rx_params(struct sport_device *sport,
+               struct sport_params *params);
+void sport_tx_start(struct sport_device *sport);
+void sport_rx_start(struct sport_device *sport);
+void sport_tx_stop(struct sport_device *sport);
+void sport_rx_stop(struct sport_device *sport);
+void sport_set_tx_callback(struct sport_device *sport,
+       void (*tx_callback)(void *), void *tx_data);
+void sport_set_rx_callback(struct sport_device *sport,
+       void (*rx_callback)(void *), void *rx_data);
+int sport_config_tx_dma(struct sport_device *sport, void *buf,
+       int fragcount, size_t fragsize);
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+       int fragcount, size_t fragsize);
+unsigned long sport_curr_offset_tx(struct sport_device *sport);
+unsigned long sport_curr_offset_rx(struct sport_device *sport);
+
+
+
+#endif