diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/scsi/imm.h | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'drivers/scsi/imm.h')
| -rw-r--r-- | drivers/scsi/imm.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/scsi/imm.h b/drivers/scsi/imm.h new file mode 100644 index 000000000..398fa5b15 --- /dev/null +++ b/drivers/scsi/imm.h @@ -0,0 +1,145 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* Driver for the Iomega MatchMaker parallel port SCSI HBA embedded in + * the Iomega ZIP Plus drive + * + * (c) 1998 David Campbell + * + * Please note that I live in Perth, Western Australia. GMT+0800 + */ + +#ifndef _IMM_H +#define _IMM_H + +#define IMM_VERSION "2.05 (for Linux 2.4.0)" + +/* + * 10 Apr 1998 (Good Friday) - Received EN144302 by email from Iomega. + * Scarry thing is the level of support from one of their managers. + * The onus is now on us (the developers) to shut up and start coding. + * 11Apr98 [ 0.10 ] + * + * --- SNIP --- + * + * It manages to find the drive which is a good start. Writing data during + * data phase is known to be broken (due to requirements of two byte writes). + * Removing "Phase" debug messages. + * + * PS: Took four hours of coding after I bought a drive. + * ANZAC Day (Aus "War Veterans Holiday") 25Apr98 [ 0.14 ] + * + * Ten minutes later after a few fixes.... (LITERALLY!!!) + * Have mounted disk, copied file, dismounted disk, remount disk, diff file + * ----- It actually works!!! ----- + * 25Apr98 [ 0.15 ] + * + * Twenty minutes of mucking around, rearanged the IEEE negotiate mechanism. + * Now have byte mode working (only EPP and ECP to go now... :=) + * 26Apr98 [ 0.16 ] + * + * Thirty minutes of further coding results in EPP working on my machine. + * 27Apr98 [ 0.17 ] + * + * Due to work commitments and inability to get a "true" ECP mode functioning + * I have decided to code the parport support into imm. + * 09Jun98 [ 0.18 ] + * + * Driver is now out of beta testing. + * Support for parport has been added. + * Now distributed with the ppa driver. + * 12Jun98 [ 2.00 ] + * + * Err.. It appears that imm-2.00 was broken.... + * 18Jun98 [ 2.01 ] + * + * Patch applied to sync this against the Linux 2.1.x kernel code + * Included qboot_zip.sh + * 21Jun98 [ 2.02 ] + * + * Other clean ups include the follow changes: + * CONFIG_SCSI_PPA_HAVE_PEDANTIC => CONFIG_SCSI_IZIP_EPP16 + * added CONFIG_SCSI_IZIP_SLOW_CTR option + * [2.03] + * Fix kernel panic on scsi timeout. 20Aug00 [2.04] + * + * Avoid io_request_lock problems. + * John Cavan <johncavan@home.com> 16Nov00 [2.05] + */ +/* ------ END OF USER CONFIGURABLE PARAMETERS ----- */ + +#include <linux/stddef.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <linux/delay.h> +#include <linux/proc_fs.h> +#include <linux/stat.h> +#include <linux/blkdev.h> +#include <linux/sched.h> +#include <linux/interrupt.h> + +#include <asm/io.h> +#include <scsi/scsi_host.h> +/* batteries not included :-) */ + +/* + * modes in which the driver can operate + */ +#define IMM_AUTODETECT 0 /* Autodetect mode */ +#define IMM_NIBBLE 1 /* work in standard 4 bit mode */ +#define IMM_PS2 2 /* PS/2 byte mode */ +#define IMM_EPP_8 3 /* EPP mode, 8 bit */ +#define IMM_EPP_16 4 /* EPP mode, 16 bit */ +#define IMM_EPP_32 5 /* EPP mode, 32 bit */ +#define IMM_UNKNOWN 6 /* Just in case... */ + +static char *IMM_MODE_STRING[] = +{ + [IMM_AUTODETECT] = "Autodetect", + [IMM_NIBBLE] = "SPP", + [IMM_PS2] = "PS/2", + [IMM_EPP_8] = "EPP 8 bit", + [IMM_EPP_16] = "EPP 16 bit", + [IMM_EPP_32] = "EPP 32 bit", + [IMM_UNKNOWN] = "Unknown", +}; + +/* other options */ +#define IMM_BURST_SIZE 512 /* data burst size */ +#define IMM_SELECT_TMO 500 /* 500 how long to wait for target ? */ +#define IMM_SPIN_TMO 5000 /* 50000 imm_wait loop limiter */ +#define IMM_DEBUG 0 /* debugging option */ +#define IN_EPP_MODE(x) (x == IMM_EPP_8 || x == IMM_EPP_16 || x == IMM_EPP_32) + +/* args to imm_connect */ +#define CONNECT_EPP_MAYBE 1 +#define CONNECT_NORMAL 0 + +#define r_dtr(x) (unsigned char)inb((x)) +#define r_str(x) (unsigned char)inb((x)+1) +#define r_ctr(x) (unsigned char)inb((x)+2) +#define r_epp(x) (unsigned char)inb((x)+4) +#define r_fifo(x) (unsigned char)inb((x)) /* x must be base_hi */ + /* On PCI is: base+0x400 != base_hi */ +#define r_ecr(x) (unsigned char)inb((x)+2) /* x must be base_hi */ + +#define w_dtr(x,y) outb(y, (x)) +#define w_str(x,y) outb(y, (x)+1) +#define w_epp(x,y) outb(y, (x)+4) +#define w_fifo(x,y) outb(y, (x)) /* x must be base_hi */ +#define w_ecr(x,y) outb(y, (x)+0x2) /* x must be base_hi */ + +#ifdef CONFIG_SCSI_IZIP_SLOW_CTR +#define w_ctr(x,y) outb_p(y, (x)+2) +#else +#define w_ctr(x,y) outb(y, (x)+2) +#endif + +static inline struct scsi_pointer *imm_scsi_pointer(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + +static int imm_engine(imm_struct *, struct scsi_cmnd *); + +#endif /* _IMM_H */ |
