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pata_arasan_cf: Adding support for arasan compact flash host controller

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The Arasan CompactFlash Device Controller has three basic modes of
operation: PC card ATA using I/O mode, PC card ATA using memory mode, PC card
ATA using true IDE modes.

Currently driver supports only True IDE mode.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Viresh Kumar
2011-02-22 15:46:07 +05:30
committed by Jeff Garzik
parent 64b9759425
commit a480167b23
5 changed files with 1038 additions and 0 deletions
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47
include/linux/pata_arasan_cf_data.h Normal file
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/*
* include/linux/pata_arasan_cf_data.h
*
* Arasan Compact Flash host controller platform data header file
*
* Copyright (C) 2011 ST Microelectronics
* Viresh Kumar <viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef _PATA_ARASAN_CF_DATA_H
#define _PATA_ARASAN_CF_DATA_H
#include <linux/platform_device.h>
struct arasan_cf_pdata {
u8 cf_if_clk;
#define CF_IF_CLK_100M (0x0)
#define CF_IF_CLK_75M (0x1)
#define CF_IF_CLK_66M (0x2)
#define CF_IF_CLK_50M (0x3)
#define CF_IF_CLK_40M (0x4)
#define CF_IF_CLK_33M (0x5)
#define CF_IF_CLK_25M (0x6)
#define CF_IF_CLK_125M (0x7)
#define CF_IF_CLK_150M (0x8)
#define CF_IF_CLK_166M (0x9)
#define CF_IF_CLK_200M (0xA)
/*
* Platform specific incapabilities of CF controller is handled via
* quirks
*/
u32 quirk;
#define CF_BROKEN_PIO (1)
#define CF_BROKEN_MWDMA (1 << 1)
#define CF_BROKEN_UDMA (1 << 2)
};
static inline void
set_arasan_cf_pdata(struct platform_device *pdev, struct arasan_cf_pdata *data)
{
pdev->dev.platform_data = data;
}
#endif /* _PATA_ARASAN_CF_DATA_H */