mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 10:50:53 +07:00
aha1542: Stop using scsi_module.c
Convert aha1542 to use scsi_add_host instead of scsi_module.c Use pnp_driver and isa_driver to manage cards. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Ondrej Zary
James Bottomley
parent
f20dffc7c6
commit
643a7c43f1
@ -35,7 +35,8 @@
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#include <linux/proc_fs.h>
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#include <linux/init.h>
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#include <linux/spinlock.h>
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#include <linux/isapnp.h>
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#include <linux/isa.h>
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#include <linux/pnp.h>
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#include <linux/blkdev.h>
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#include <linux/slab.h>
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@ -71,7 +72,7 @@
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/* Boards 3,4 slots are reserved for ISAPnP scans */
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static unsigned int bases[MAXBOARDS] __initdata = {0x330, 0x334, 0, 0};
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static unsigned int bases[MAXBOARDS] = {0x330, 0x334, 0, 0};
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/* set by aha1542_setup according to the command line; they also may
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be marked __initdata, but require zero initializers then */
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@ -79,7 +80,7 @@ static unsigned int bases[MAXBOARDS] __initdata = {0x330, 0x334, 0, 0};
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static int setup_called[MAXBOARDS];
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static int setup_buson[MAXBOARDS];
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static int setup_busoff[MAXBOARDS];
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static int setup_dmaspeed[MAXBOARDS] __initdata = { -1, -1, -1, -1 };
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static int setup_dmaspeed[MAXBOARDS] = { -1, -1, -1, -1 };
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/*
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* LILO/Module params: aha1542=<PORTBASE>[,<BUSON>,<BUSOFF>[,<DMASPEED>]]
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@ -103,18 +104,6 @@ static bool isapnp = 0;
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static int aha1542[] = {0x330, 11, 4, -1};
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module_param_array(aha1542, int, NULL, 0);
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module_param(isapnp, bool, 0);
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static struct isapnp_device_id id_table[] __initdata = {
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{
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ISAPNP_ANY_ID, ISAPNP_ANY_ID,
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ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1542),
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0
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},
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{0}
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};
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MODULE_DEVICE_TABLE(isapnp, id_table);
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#else
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static int isapnp = 1;
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#endif
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@ -221,7 +210,7 @@ static int aha1542_out(unsigned int base, unchar * cmdp, int len)
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/* Only used at boot time, so we do not need to worry about latency as much
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here */
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static int __init aha1542_in(unsigned int base, unchar * cmdp, int len)
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static int aha1542_in(unsigned int base, unchar *cmdp, int len)
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{
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unsigned long flags;
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@ -242,7 +231,7 @@ static int __init aha1542_in(unsigned int base, unchar * cmdp, int len)
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/* Similar to aha1542_in, except that we wait a very short period of time.
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We use this if we know the board is alive and awake, but we are not sure
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if the board will respond to the command we are about to send or not */
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static int __init aha1542_in1(unsigned int base, unchar * cmdp, int len)
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static int aha1542_in1(unsigned int base, unchar *cmdp, int len)
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{
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unsigned long flags;
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@ -314,7 +303,7 @@ static int makecode(unsigned hosterr, unsigned scsierr)
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return scsierr | (hosterr << 16);
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}
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static int __init aha1542_test_port(int bse, struct Scsi_Host *shpnt)
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static int aha1542_test_port(int bse, struct Scsi_Host *shpnt)
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{
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unchar inquiry_cmd[] = {CMD_INQUIRY};
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unchar inquiry_result[4];
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@ -744,7 +733,7 @@ static void setup_mailboxes(int bse, struct Scsi_Host *shpnt)
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aha1542_intr_reset(bse);
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}
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static int __init aha1542_getconfig(int base_io, unsigned char *irq_level, unsigned char *dma_chan, unsigned char *scsi_id)
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static int aha1542_getconfig(int base_io, unsigned char *irq_level, unsigned char *dma_chan, unsigned char *scsi_id)
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{
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unchar inquiry_cmd[] = {CMD_RETCONF};
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unchar inquiry_result[3];
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@ -813,7 +802,7 @@ static int __init aha1542_getconfig(int base_io, unsigned char *irq_level, unsig
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/* This function should only be called for 1542C boards - we can detect
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the special firmware settings and unlock the board */
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static int __init aha1542_mbenable(int base)
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static int aha1542_mbenable(int base)
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{
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static unchar mbenable_cmd[3];
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static unchar mbenable_result[2];
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@ -848,7 +837,7 @@ static int __init aha1542_mbenable(int base)
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}
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/* Query the board to find out if it is a 1542 or a 1740, or whatever. */
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static int __init aha1542_query(int base_io, int *transl)
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static int aha1542_query(int base_io, int *transl)
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{
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unchar inquiry_cmd[] = {CMD_INQUIRY};
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unchar inquiry_result[4];
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@ -963,7 +952,7 @@ __setup("aha1542=",do_setup);
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#endif
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/* return non-zero on detection */
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static int __init aha1542_detect(struct scsi_host_template * tpnt)
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static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct device *pdev, int indx)
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{
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unsigned char dma_chan;
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unsigned char irq_level;
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@ -972,87 +961,18 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt)
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unsigned int base_io;
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int trans;
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struct Scsi_Host *shpnt = NULL;
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int count = 0;
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int indx;
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DEB(printk("aha1542_detect: \n"));
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tpnt->proc_name = "aha1542";
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#ifdef MODULE
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bases[0] = aha1542[0];
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setup_buson[0] = aha1542[1];
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setup_busoff[0] = aha1542[2];
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{
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int atbt = -1;
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switch (aha1542[3]) {
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case 5:
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atbt = 0x00;
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break;
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case 6:
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atbt = 0x04;
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break;
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case 7:
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atbt = 0x01;
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break;
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case 8:
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atbt = 0x02;
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break;
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case 10:
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atbt = 0x03;
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break;
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};
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setup_dmaspeed[0] = atbt;
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}
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#endif
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/*
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* Hunt for ISA Plug'n'Pray Adaptecs (AHA1535)
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*/
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if(isapnp)
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{
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struct pnp_dev *pdev = NULL;
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for(indx = 0; indx < ARRAY_SIZE(bases); indx++) {
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if(bases[indx])
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continue;
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pdev = pnp_find_dev(NULL, ISAPNP_VENDOR('A', 'D', 'P'),
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ISAPNP_FUNCTION(0x1542), pdev);
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if(pdev==NULL)
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break;
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/*
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* Activate the PnP card
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*/
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if(pnp_device_attach(pdev)<0)
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continue;
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if(pnp_activate_dev(pdev)<0) {
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pnp_device_detach(pdev);
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continue;
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}
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if(!pnp_port_valid(pdev, 0)) {
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pnp_device_detach(pdev);
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continue;
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}
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bases[indx] = pnp_port_start(pdev, 0);
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/* The card can be queried for its DMA, we have
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the DMA set up that is enough */
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printk(KERN_INFO "ISAPnP found an AHA1535 at I/O 0x%03X\n", bases[indx]);
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}
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}
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for (indx = 0; indx < ARRAY_SIZE(bases); indx++)
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if (bases[indx] != 0 && request_region(bases[indx], 4, "aha1542")) {
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shpnt = scsi_register(tpnt,
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shpnt = scsi_host_alloc(tpnt,
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sizeof(struct aha1542_hostdata));
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if(shpnt==NULL) {
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release_region(bases[indx], 4);
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continue;
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return NULL;
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}
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if (!aha1542_test_port(bases[indx], shpnt))
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goto unregister;
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@ -1137,60 +1057,37 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt)
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HOSTDATA(shpnt)->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);
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memset(HOSTDATA(shpnt)->SCint, 0, sizeof(HOSTDATA(shpnt)->SCint));
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spin_unlock_irqrestore(&aha1542_lock, flags);
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#if 0
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DEB(printk(" *** READ CAPACITY ***\n"));
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{
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unchar buf[8];
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static unchar cmd[] = { READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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int i;
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for (i = 0; i < sizeof(buf); ++i)
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buf[i] = 0x87;
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for (i = 0; i < 2; ++i)
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if (!aha1542_command(i, cmd, buf, sizeof(buf))) {
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printk(KERN_DEBUG "aha_detect: LU %d sector_size %d device_size %d\n",
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i, xscsi2int(buf + 4), xscsi2int(buf));
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}
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if (scsi_add_host(shpnt, pdev)) {
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if (shpnt->dma_channel != 0xff)
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free_dma(shpnt->dma_channel);
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free_irq(irq_level, shpnt);
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goto unregister;
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}
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DEB(printk(" *** NOW RUNNING MY OWN TEST *** \n"));
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scsi_scan_host(shpnt);
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for (i = 0; i < 4; ++i) {
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unsigned char cmd[10];
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static buffer[512];
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cmd[0] = READ_10;
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cmd[1] = 0;
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xany2scsi(cmd + 2, i);
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cmd[6] = 0;
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cmd[7] = 0;
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cmd[8] = 1;
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cmd[9] = 0;
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aha1542_command(0, cmd, buffer, 512);
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}
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#endif
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count++;
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continue;
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return shpnt;
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unregister:
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release_region(bases[indx], 4);
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scsi_unregister(shpnt);
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continue;
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scsi_host_put(shpnt);
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return NULL;
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};
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return count;
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return NULL;
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}
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static int aha1542_release(struct Scsi_Host *shost)
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{
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scsi_remove_host(shost);
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if (shost->irq)
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free_irq(shost->irq, shost);
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if (shost->dma_channel != 0xff)
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free_dma(shost->dma_channel);
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if (shost->io_port && shost->n_io_port)
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release_region(shost->io_port, shost->n_io_port);
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scsi_unregister(shost);
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scsi_host_put(shost);
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return 0;
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}
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@ -1661,12 +1558,10 @@ static int aha1542_biosparam(struct scsi_device *sdev,
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}
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MODULE_LICENSE("GPL");
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static struct scsi_host_template driver_template = {
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.module = THIS_MODULE,
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.proc_name = "aha1542",
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.name = "Adaptec 1542",
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.detect = aha1542_detect,
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.release = aha1542_release,
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.queuecommand = aha1542_queuecommand,
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.eh_device_reset_handler= aha1542_dev_reset,
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.eh_bus_reset_handler = aha1542_bus_reset,
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@ -1679,4 +1574,145 @@ static struct scsi_host_template driver_template = {
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.unchecked_isa_dma = 1,
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.use_clustering = ENABLE_CLUSTERING,
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};
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#include "scsi_module.c"
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static int aha1542_isa_match(struct device *pdev, unsigned int ndev)
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{
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struct Scsi_Host *sh = aha1542_hw_init(&driver_template, pdev, ndev);
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if (!sh)
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return 0;
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dev_set_drvdata(pdev, sh);
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return 1;
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}
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static int aha1542_isa_remove(struct device *pdev,
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unsigned int ndev)
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{
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aha1542_release(dev_get_drvdata(pdev));
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dev_set_drvdata(pdev, NULL);
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return 0;
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}
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static struct isa_driver aha1542_isa_driver = {
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.match = aha1542_isa_match,
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.remove = aha1542_isa_remove,
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.driver = {
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.name = "aha1542"
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},
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};
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static int isa_registered;
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#ifdef CONFIG_PNP
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static struct pnp_device_id aha1542_pnp_ids[] = {
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{ .id = "ADP1542" },
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{ .id = "" }
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};
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MODULE_DEVICE_TABLE(pnp, aha1542_pnp_ids);
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static int aha1542_pnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *id)
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{
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int indx;
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struct Scsi_Host *sh;
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for (indx = 0; indx < ARRAY_SIZE(bases); indx++) {
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if (bases[indx])
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continue;
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if (pnp_activate_dev(pdev) < 0)
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continue;
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bases[indx] = pnp_port_start(pdev, 0);
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/* The card can be queried for its DMA, we have
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the DMA set up that is enough */
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printk(KERN_INFO "ISAPnP found an AHA1535 at I/O 0x%03X\n", bases[indx]);
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}
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sh = aha1542_hw_init(&driver_template, &pdev->dev, indx);
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if (!sh)
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return -ENODEV;
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pnp_set_drvdata(pdev, sh);
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return 0;
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}
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static void aha1542_pnp_remove(struct pnp_dev *pdev)
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{
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aha1542_release(pnp_get_drvdata(pdev));
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pnp_set_drvdata(pdev, NULL);
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}
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static struct pnp_driver aha1542_pnp_driver = {
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.name = "aha1542",
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.id_table = aha1542_pnp_ids,
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.probe = aha1542_pnp_probe,
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.remove = aha1542_pnp_remove,
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};
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static int pnp_registered;
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#endif /* CONFIG_PNP */
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static int __init aha1542_init(void)
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{
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int ret = 0;
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#ifdef MODULE
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int atbt = -1;
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bases[0] = aha1542[0];
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setup_buson[0] = aha1542[1];
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setup_busoff[0] = aha1542[2];
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switch (aha1542[3]) {
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case 5:
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atbt = 0x00;
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break;
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case 6:
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atbt = 0x04;
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break;
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case 7:
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atbt = 0x01;
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break;
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case 8:
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atbt = 0x02;
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break;
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case 10:
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atbt = 0x03;
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break;
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};
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setup_dmaspeed[0] = atbt;
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#endif
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#ifdef CONFIG_PNP
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if (isapnp) {
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ret = pnp_register_driver(&aha1542_pnp_driver);
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if (!ret)
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pnp_registered = 1;
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}
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#endif
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ret = isa_register_driver(&aha1542_isa_driver, MAXBOARDS);
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if (!ret)
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isa_registered = 1;
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#ifdef CONFIG_PNP
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if (pnp_registered)
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ret = 0;
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#endif
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if (isa_registered)
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ret = 0;
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return ret;
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}
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static void __exit aha1542_exit(void)
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{
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#ifdef CONFIG_PNP
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if (pnp_registered)
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pnp_unregister_driver(&aha1542_pnp_driver);
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#endif
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if (isa_registered)
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isa_unregister_driver(&aha1542_isa_driver);
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}
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module_init(aha1542_init);
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module_exit(aha1542_exit);
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@ -131,7 +131,7 @@ struct ccb { /* Command Control Block 5.3 */
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/* REQUEST SENSE */
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};
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static int aha1542_detect(struct scsi_host_template *);
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static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct device *pdev, int indx);
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static int aha1542_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
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static int aha1542_bus_reset(Scsi_Cmnd * SCpnt);
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static int aha1542_dev_reset(Scsi_Cmnd * SCpnt);
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