mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 08:58:07 +00:00
56e9406ca2
This patch updated Kconfig for langwell otg transceiver driver. Add ipc driver(INTEL_SCU_IPC) as a dependency. Driver version is updated too. Signed-off-by: Hao Wu <hao.wu@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*
|
|
* Intel Langwell USB OTG transceiver driver
|
|
* Copyright (C) 2008 - 2010, Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 __LANGWELL_OTG_H
|
|
#define __LANGWELL_OTG_H
|
|
|
|
#include <linux/usb/intel_mid_otg.h>
|
|
|
|
#define CI_USBCMD 0x30
|
|
# define USBCMD_RST BIT(1)
|
|
# define USBCMD_RS BIT(0)
|
|
#define CI_USBSTS 0x34
|
|
# define USBSTS_SLI BIT(8)
|
|
# define USBSTS_URI BIT(6)
|
|
# define USBSTS_PCI BIT(2)
|
|
#define CI_PORTSC1 0x74
|
|
# define PORTSC_PP BIT(12)
|
|
# define PORTSC_LS (BIT(11) | BIT(10))
|
|
# define PORTSC_SUSP BIT(7)
|
|
# define PORTSC_CCS BIT(0)
|
|
#define CI_HOSTPC1 0xb4
|
|
# define HOSTPC1_PHCD BIT(22)
|
|
#define CI_OTGSC 0xf4
|
|
# define OTGSC_DPIE BIT(30)
|
|
# define OTGSC_1MSE BIT(29)
|
|
# define OTGSC_BSEIE BIT(28)
|
|
# define OTGSC_BSVIE BIT(27)
|
|
# define OTGSC_ASVIE BIT(26)
|
|
# define OTGSC_AVVIE BIT(25)
|
|
# define OTGSC_IDIE BIT(24)
|
|
# define OTGSC_DPIS BIT(22)
|
|
# define OTGSC_1MSS BIT(21)
|
|
# define OTGSC_BSEIS BIT(20)
|
|
# define OTGSC_BSVIS BIT(19)
|
|
# define OTGSC_ASVIS BIT(18)
|
|
# define OTGSC_AVVIS BIT(17)
|
|
# define OTGSC_IDIS BIT(16)
|
|
# define OTGSC_DPS BIT(14)
|
|
# define OTGSC_1MST BIT(13)
|
|
# define OTGSC_BSE BIT(12)
|
|
# define OTGSC_BSV BIT(11)
|
|
# define OTGSC_ASV BIT(10)
|
|
# define OTGSC_AVV BIT(9)
|
|
# define OTGSC_ID BIT(8)
|
|
# define OTGSC_HABA BIT(7)
|
|
# define OTGSC_HADP BIT(6)
|
|
# define OTGSC_IDPU BIT(5)
|
|
# define OTGSC_DP BIT(4)
|
|
# define OTGSC_OT BIT(3)
|
|
# define OTGSC_HAAR BIT(2)
|
|
# define OTGSC_VC BIT(1)
|
|
# define OTGSC_VD BIT(0)
|
|
# define OTGSC_INTEN_MASK (0x7f << 24)
|
|
# define OTGSC_INT_MASK (0x5f << 24)
|
|
# define OTGSC_INTSTS_MASK (0x7f << 16)
|
|
#define CI_USBMODE 0xf8
|
|
# define USBMODE_CM (BIT(1) | BIT(0))
|
|
# define USBMODE_IDLE 0
|
|
# define USBMODE_DEVICE 0x2
|
|
# define USBMODE_HOST 0x3
|
|
#define USBCFG_ADDR 0xff10801c
|
|
#define USBCFG_LEN 4
|
|
# define USBCFG_VBUSVAL BIT(14)
|
|
# define USBCFG_AVALID BIT(13)
|
|
# define USBCFG_BVALID BIT(12)
|
|
# define USBCFG_SESEND BIT(11)
|
|
|
|
#define INTR_DUMMY_MASK (USBSTS_SLI | USBSTS_URI | USBSTS_PCI)
|
|
|
|
enum langwell_otg_timer_type {
|
|
TA_WAIT_VRISE_TMR,
|
|
TA_WAIT_BCON_TMR,
|
|
TA_AIDL_BDIS_TMR,
|
|
TB_ASE0_BRST_TMR,
|
|
TB_SE0_SRP_TMR,
|
|
TB_SRP_INIT_TMR,
|
|
TB_SRP_FAIL_TMR,
|
|
TB_BUS_SUSPEND_TMR
|
|
};
|
|
|
|
#define TA_WAIT_VRISE 100
|
|
#define TA_WAIT_BCON 30000
|
|
#define TA_AIDL_BDIS 15000
|
|
#define TB_ASE0_BRST 5000
|
|
#define TB_SE0_SRP 2
|
|
#define TB_SRP_INIT 100
|
|
#define TB_SRP_FAIL 5500
|
|
#define TB_BUS_SUSPEND 500
|
|
|
|
struct langwell_otg_timer {
|
|
unsigned long expires; /* Number of count increase to timeout */
|
|
unsigned long count; /* Tick counter */
|
|
void (*function)(unsigned long); /* Timeout function */
|
|
unsigned long data; /* Data passed to function */
|
|
struct list_head list;
|
|
};
|
|
|
|
struct langwell_otg {
|
|
struct intel_mid_otg_xceiv iotg;
|
|
struct device *dev;
|
|
|
|
void __iomem *usbcfg; /* SCCBUSB config Reg */
|
|
|
|
unsigned region;
|
|
unsigned cfg_region;
|
|
|
|
struct work_struct work;
|
|
struct workqueue_struct *qwork;
|
|
struct timer_list hsm_timer;
|
|
|
|
spinlock_t lock;
|
|
spinlock_t wq_lock;
|
|
|
|
struct notifier_block iotg_notifier;
|
|
};
|
|
|
|
static inline
|
|
struct langwell_otg *mid_xceiv_to_lnw(struct intel_mid_otg_xceiv *iotg)
|
|
{
|
|
return container_of(iotg, struct langwell_otg, iotg);
|
|
}
|
|
|
|
#endif /* __LANGWELL_OTG_H__ */
|