int fastlane_esp_release(struct Scsi_Host *instance)
{
#ifdef MODULE
unsigned long address = (unsigned long)((struct NCR_ESP *)instance->hostdata)->edev;
esp_deallocate((struct NCR_ESP *)instance->hostdata);
esp_release();
release_mem_region(address, sizeof(struct ESP_regs));
free_irq(IRQ_AMIGA_PORTS, esp_intr);
#endif
return 1;
}
/***************************************************************** Detection */
int __init cyberII_esp_detect(Scsi_Host_Template *tpnt)
{
struct NCR_ESP *esp;
struct zorro_dev *z = NULL;
unsigned long address;
struct ESP_regs *eregs;
if ((z = zorro_find_device(ZORRO_PROD_PHASE5_CYBERSTORM_MK_II, z))) {
unsigned long board = z->resource.start;
if (request_mem_region(board+CYBERII_ESP_ADDR,
sizeof(struct ESP_regs), "NCR53C9x")) {
/* Do some magic to figure out if the CyberStorm Mk II
* is equipped with a SCSI controller
*/
address = (unsigned long)ZTWO_VADDR(board);
eregs = (struct ESP_regs *)(address + CYBERII_ESP_ADDR);
esp = esp_allocate(tpnt, (void *)board+CYBERII_ESP_ADDR);
esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
udelay(5);
if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7)) {
esp_deallocate(esp);
scsi_unregister(esp->ehost);
release_mem_region(board+CYBERII_ESP_ADDR,
sizeof(struct ESP_regs));
return 0; /* Bail out if address did not hold data */
}
/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
/* Required functions */
esp->dma_bytes_sent = &dma_bytes_sent;
esp->dma_can_transfer = &dma_can_transfer;
esp->dma_dump_state = &dma_dump_state;
esp->dma_init_read = &dma_init_read;
esp->dma_init_write = &dma_init_write;
esp->dma_ints_off = &dma_ints_off;
esp->dma_ints_on = &dma_ints_on;
esp->dma_irq_p = &dma_irq_p;
esp->dma_ports_p = &dma_ports_p;
esp->dma_setup = &dma_setup;
/* Optional functions */
esp->dma_barrier = 0;
esp->dma_drain = 0;
esp->dma_invalidate = 0;
esp->dma_irq_entry = 0;
esp->dma_irq_exit = 0;
esp->dma_led_on = &dma_led_on;
esp->dma_led_off = &dma_led_off;
esp->dma_poll = 0;
esp->dma_reset = 0;
/* SCSI chip speed */
esp->cfreq = 40000000;
/* The DMA registers on the CyberStorm are mapped
* relative to the device (i.e. in the same Zorro
* I/O block).
*/
esp->dregs = (void *)(address + CYBERII_DMA_ADDR);
/* ESP register base */
esp->eregs = eregs;
/* Set the command buffer */
esp->esp_command = cmd_buffer;
esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);
esp->irq = IRQ_AMIGA_PORTS;
request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
"CyberStorm SCSI Mk II", esp_intr);
/* Figure out our scsi ID on the bus */
esp->scsi_id = 7;
/* We don't have a differential SCSI-bus. */
esp->diff = 0;
esp_initialize(esp);
printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, esps_in_use);
esps_running = esps_in_use;
return esps_in_use;
}
}
return 0;
}
/***************************************************************** Detection */
int __init blz1230_esp_detect(Scsi_Host_Template *tpnt)
{
struct NCR_ESP *esp;
struct zorro_dev *z = NULL;
unsigned long address;
struct ESP_regs *eregs;
unsigned long board;
#if MKIV
#define REAL_BLZ1230_ID ZORRO_PROD_PHASE5_BLIZZARD_1230_IV_1260
#define REAL_BLZ1230_ESP_ADDR BLZ1230_ESP_ADDR
#define REAL_BLZ1230_DMA_ADDR BLZ1230_DMA_ADDR
#else
#define REAL_BLZ1230_ID ZORRO_PROD_PHASE5_BLIZZARD_1230_II_FASTLANE_Z3_CYBERSCSI_CYBERSTORM060
#define REAL_BLZ1230_ESP_ADDR BLZ1230II_ESP_ADDR
#define REAL_BLZ1230_DMA_ADDR BLZ1230II_DMA_ADDR
#endif
if ((z = zorro_find_device(REAL_BLZ1230_ID, z))) {
board = z->resource.start;
if (request_mem_region(board+REAL_BLZ1230_ESP_ADDR,
sizeof(struct ESP_regs), "NCR53C9x")) {
/* Do some magic to figure out if the blizzard is
* equipped with a SCSI controller
*/
address = ZTWO_VADDR(board);
eregs = (struct ESP_regs *)(address + REAL_BLZ1230_ESP_ADDR);
esp = esp_allocate(tpnt, (void *)board+REAL_BLZ1230_ESP_ADDR);
esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
udelay(5);
if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7))
goto err_out;
/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
/* Required functions */
esp->dma_bytes_sent = &dma_bytes_sent;
esp->dma_can_transfer = &dma_can_transfer;
esp->dma_dump_state = &dma_dump_state;
esp->dma_init_read = &dma_init_read;
esp->dma_init_write = &dma_init_write;
esp->dma_ints_off = &dma_ints_off;
esp->dma_ints_on = &dma_ints_on;
esp->dma_irq_p = &dma_irq_p;
esp->dma_ports_p = &dma_ports_p;
esp->dma_setup = &dma_setup;
/* Optional functions */
esp->dma_barrier = 0;
esp->dma_drain = 0;
esp->dma_invalidate = 0;
esp->dma_irq_entry = 0;
esp->dma_irq_exit = 0;
esp->dma_led_on = 0;
esp->dma_led_off = 0;
esp->dma_poll = 0;
esp->dma_reset = 0;
/* SCSI chip speed */
esp->cfreq = 40000000;
/* The DMA registers on the Blizzard are mapped
* relative to the device (i.e. in the same Zorro
* I/O block).
*/
esp->dregs = (void *)(address + REAL_BLZ1230_DMA_ADDR);
/* ESP register base */
esp->eregs = eregs;
/* Set the command buffer */
esp->esp_command = cmd_buffer;
esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);
esp->irq = IRQ_AMIGA_PORTS;
esp->slot = board+REAL_BLZ1230_ESP_ADDR;
if (request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
"Blizzard 1230 SCSI IV", esp->ehost))
goto err_out;
/* Figure out our scsi ID on the bus */
esp->scsi_id = 7;
/* We don't have a differential SCSI-bus. */
esp->diff = 0;
esp_initialize(esp);
printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, esps_in_use);
esps_running = esps_in_use;
return esps_in_use;
}
}
return 0;
err_out:
scsi_unregister(esp->ehost);
esp_deallocate(esp);
release_mem_region(board+REAL_BLZ1230_ESP_ADDR,
sizeof(struct ESP_regs));
return 0;
}
/* Detecting ESP chips on the machine. This is the simple and easy
* version.
*/
int sun3x_esp_detect(struct scsi_host_template *tpnt)
{
struct NCR_ESP *esp;
struct ConfigDev *esp_dev;
esp_dev = 0;
esp = esp_allocate(tpnt, (void *) esp_dev);
/* Do command transfer with DMA */
esp->do_pio_cmds = 0;
/* Required functions */
esp->dma_bytes_sent = &dma_bytes_sent;
esp->dma_can_transfer = &dma_can_transfer;
esp->dma_dump_state = &dma_dump_state;
esp->dma_init_read = &dma_init_read;
esp->dma_init_write = &dma_init_write;
esp->dma_ints_off = &dma_ints_off;
esp->dma_ints_on = &dma_ints_on;
esp->dma_irq_p = &dma_irq_p;
esp->dma_ports_p = &dma_ports_p;
esp->dma_setup = &dma_setup;
/* Optional functions */
esp->dma_barrier = &dma_barrier;
esp->dma_invalidate = &dma_invalidate;
esp->dma_drain = &dma_drain;
esp->dma_irq_entry = 0;
esp->dma_irq_exit = 0;
esp->dma_led_on = 0;
esp->dma_led_off = 0;
esp->dma_poll = &dma_poll;
esp->dma_reset = &dma_reset;
/* virtual DMA functions */
esp->dma_mmu_get_scsi_one = &dma_mmu_get_scsi_one;
esp->dma_mmu_get_scsi_sgl = &dma_mmu_get_scsi_sgl;
esp->dma_mmu_release_scsi_one = &dma_mmu_release_scsi_one;
esp->dma_mmu_release_scsi_sgl = &dma_mmu_release_scsi_sgl;
esp->dma_advance_sg = &dma_advance_sg;
/* SCSI chip speed */
esp->cfreq = 20000000;
esp->eregs = (struct ESP_regs *)(SUN3X_ESP_BASE);
esp->dregs = (void *)SUN3X_ESP_DMA;
esp->esp_command = (volatile unsigned char *)dvma_malloc(DVMA_PAGE_SIZE);
esp->esp_command_dvma = dvma_vtob((unsigned long)esp->esp_command);
esp->irq = 2;
if (request_irq(esp->irq, esp_intr, SA_INTERRUPT,
"SUN3X SCSI", esp->ehost)) {
esp_deallocate(esp);
return 0;
}
esp->scsi_id = 7;
esp->diff = 0;
esp_initialize(esp);
/* for reasons beyond my knowledge (and which should likely be fixed)
sync mode doesn't work on a 3/80 at 5mhz. but it does at 4. */
esp->sync_defp = 0x3f;
printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps,
esps_in_use);
esps_running = esps_in_use;
return esps_in_use;
}