forked from luck/tmp_suning_uos_patched
9e74d601de
mod_host needs data/status stage handler Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*
|
|
* Renesas USB driver
|
|
*
|
|
* Copyright (C) 2011 Renesas Solutions Corp.
|
|
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
#ifndef RENESAS_USB_FIFO_H
|
|
#define RENESAS_USB_FIFO_H
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <linux/sh_dma.h>
|
|
#include <asm/dma.h>
|
|
#include "pipe.h"
|
|
|
|
#define DMA_ADDR_INVALID (~(dma_addr_t)0)
|
|
|
|
struct usbhs_fifo {
|
|
char *name;
|
|
u32 port; /* xFIFO */
|
|
u32 sel; /* xFIFOSEL */
|
|
u32 ctr; /* xFIFOCTR */
|
|
|
|
struct usbhs_pipe *pipe;
|
|
struct tasklet_struct tasklet;
|
|
|
|
struct dma_chan *tx_chan;
|
|
struct dma_chan *rx_chan;
|
|
|
|
struct sh_dmae_slave tx_slave;
|
|
struct sh_dmae_slave rx_slave;
|
|
};
|
|
|
|
struct usbhs_fifo_info {
|
|
struct usbhs_fifo cfifo;
|
|
struct usbhs_fifo d0fifo;
|
|
struct usbhs_fifo d1fifo;
|
|
};
|
|
|
|
struct usbhs_pkt_handle;
|
|
struct usbhs_pkt {
|
|
struct list_head node;
|
|
struct usbhs_pipe *pipe;
|
|
struct usbhs_pkt_handle *handler;
|
|
void (*done)(struct usbhs_priv *priv,
|
|
struct usbhs_pkt *pkt);
|
|
dma_addr_t dma;
|
|
void *buf;
|
|
int length;
|
|
int trans;
|
|
int actual;
|
|
int zero;
|
|
};
|
|
|
|
struct usbhs_pkt_handle {
|
|
int (*prepare)(struct usbhs_pkt *pkt, int *is_done);
|
|
int (*try_run)(struct usbhs_pkt *pkt, int *is_done);
|
|
int (*dma_done)(struct usbhs_pkt *pkt, int *is_done);
|
|
};
|
|
|
|
/*
|
|
* fifo
|
|
*/
|
|
int usbhs_fifo_probe(struct usbhs_priv *priv);
|
|
void usbhs_fifo_remove(struct usbhs_priv *priv);
|
|
void usbhs_fifo_init(struct usbhs_priv *priv);
|
|
void usbhs_fifo_quit(struct usbhs_priv *priv);
|
|
|
|
/*
|
|
* packet info
|
|
*/
|
|
extern struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
|
|
extern struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
|
|
extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
|
|
|
|
extern struct usbhs_pkt_handle usbhs_fifo_dma_push_handler;
|
|
extern struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler;
|
|
|
|
extern struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler;
|
|
extern struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler;
|
|
|
|
extern struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler;
|
|
extern struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler;
|
|
|
|
void usbhs_pkt_init(struct usbhs_pkt *pkt);
|
|
void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
|
|
void (*done)(struct usbhs_priv *priv,
|
|
struct usbhs_pkt *pkt),
|
|
void *buf, int len, int zero);
|
|
struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
|
|
void usbhs_pkt_start(struct usbhs_pipe *pipe);
|
|
|
|
#endif /* RENESAS_USB_FIFO_H */
|