82a96f5790
This patch adds drivers for IXP4xx hardware Queue Manager and for Network Processor Engines. Requires patch #4712 (reading/writing CPU feature (aka fuse) bits). Posted to linux-arm-kernel on 2 Dec 2007 and revised. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
39 lines
977 B
C
39 lines
977 B
C
#ifndef __IXP4XX_NPE_H
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#define __IXP4XX_NPE_H
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#include <linux/kernel.h>
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extern const char *npe_names[];
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struct npe_regs {
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u32 exec_addr, exec_data, exec_status_cmd, exec_count;
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u32 action_points[4];
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u32 watchpoint_fifo, watch_count;
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u32 profile_count;
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u32 messaging_status, messaging_control;
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u32 mailbox_status, /*messaging_*/ in_out_fifo;
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};
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struct npe {
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struct resource *mem_res;
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struct npe_regs __iomem *regs;
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u32 regs_phys;
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int id;
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int valid;
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};
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static inline const char *npe_name(struct npe *npe)
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{
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return npe_names[npe->id];
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}
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int npe_running(struct npe *npe);
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int npe_send_message(struct npe *npe, const void *msg, const char *what);
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int npe_recv_message(struct npe *npe, void *msg, const char *what);
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int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
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int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
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struct npe *npe_request(int id);
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void npe_release(struct npe *npe);
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#endif /* __IXP4XX_NPE_H */
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