--- /dev/null
+/******************************************************************************
+
+ AudioScience HPI driver
+ Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License as
+ published by the Free Software Foundation;
+
+ This program is distributed in the hope that 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ Hardware Programming Interface (HPI) for AudioScience
+ ASI50xx, AS51xx, ASI6xxx, ASI87xx ASI89xx series adapters.
+ These PCI and PCIe bus adapters are based on a
+ TMS320C6205 PCI bus mastering DSP,
+ and (except ASI50xx) TI TMS320C6xxx floating point DSP
+
+ Exported function:
+ void HPI_6205(struct hpi_message *phm, struct hpi_response *phr)
+
+(C) Copyright AudioScience Inc. 1998-2010
+*******************************************************************************/
+#define SOURCEFILE_NAME "hpi6205.c"
+
+#include "hpi_internal.h"
+#include "hpimsginit.h"
+#include "hpidebug.h"
+#include "hpi6205.h"
+#include "hpidspcd.h"
+#include "hpicmn.h"
+
+/*****************************************************************************/
+/* HPI6205 specific error codes */
+#define HPI6205_ERROR_BASE 1000 /* not actually used anywhere */
+
+/* operational/messaging errors */
+#define HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT 1015
+#define HPI6205_ERROR_MSG_RESP_TIMEOUT 1016
+
+/* initialization/bootload errors */
+#define HPI6205_ERROR_6205_NO_IRQ 1002
+#define HPI6205_ERROR_6205_INIT_FAILED 1003
+#define HPI6205_ERROR_6205_REG 1006
+#define HPI6205_ERROR_6205_DSPPAGE 1007
+#define HPI6205_ERROR_C6713_HPIC 1009
+#define HPI6205_ERROR_C6713_HPIA 1010
+#define HPI6205_ERROR_C6713_PLL 1011
+#define HPI6205_ERROR_DSP_INTMEM 1012
+#define HPI6205_ERROR_DSP_EXTMEM 1013
+#define HPI6205_ERROR_DSP_PLD 1014
+#define HPI6205_ERROR_6205_EEPROM 1017
+#define HPI6205_ERROR_DSP_EMIF1 1018
+#define HPI6205_ERROR_DSP_EMIF2 1019
+#define HPI6205_ERROR_DSP_EMIF3 1020
+#define HPI6205_ERROR_DSP_EMIF4 1021
+
+/*****************************************************************************/
+/* for C6205 PCI i/f */
+/* Host Status Register (HSR) bitfields */
+#define C6205_HSR_INTSRC 0x01
+#define C6205_HSR_INTAVAL 0x02
+#define C6205_HSR_INTAM 0x04
+#define C6205_HSR_CFGERR 0x08
+#define C6205_HSR_EEREAD 0x10
+/* Host-to-DSP Control Register (HDCR) bitfields */
+#define C6205_HDCR_WARMRESET 0x01
+#define C6205_HDCR_DSPINT 0x02
+#define C6205_HDCR_PCIBOOT 0x04
+/* DSP Page Register (DSPP) bitfields, */
+/* defines 4 Mbyte page that BAR0 points to */
+#define C6205_DSPP_MAP1 0x400
+
+/* BAR0 maps to prefetchable 4 Mbyte memory block set by DSPP.
+ * BAR1 maps to non-prefetchable 8 Mbyte memory block
+ * of DSP memory mapped registers (starting at 0x01800000).
+ * 0x01800000 is hardcoded in the PCI i/f, so that only the offset from this
+ * needs to be added to the BAR1 base address set in the PCI config reg
+ */
+#define C6205_BAR1_PCI_IO_OFFSET (0x027FFF0L)
+#define C6205_BAR1_HSR (C6205_BAR1_PCI_IO_OFFSET)
+#define C6205_BAR1_HDCR (C6205_BAR1_PCI_IO_OFFSET+4)
+#define C6205_BAR1_DSPP (C6205_BAR1_PCI_IO_OFFSET+8)
+
+/* used to control LED (revA) and reset C6713 (revB) */
+#define C6205_BAR0_TIMER1_CTL (0x01980000L)
+
+/* For first 6713 in CE1 space, using DA17,16,2 */
+#define HPICL_ADDR 0x01400000L
+#define HPICH_ADDR 0x01400004L
+#define HPIAL_ADDR 0x01410000L
+#define HPIAH_ADDR 0x01410004L
+#define HPIDIL_ADDR 0x01420000L
+#define HPIDIH_ADDR 0x01420004L
+#define HPIDL_ADDR 0x01430000L
+#define HPIDH_ADDR 0x01430004L
+
+#define C6713_EMIF_GCTL 0x01800000
+#define C6713_EMIF_CE1 0x01800004
+#define C6713_EMIF_CE0 0x01800008
+#define C6713_EMIF_CE2 0x01800010
+#define C6713_EMIF_CE3 0x01800014
+#define C6713_EMIF_SDRAMCTL 0x01800018
+#define C6713_EMIF_SDRAMTIMING 0x0180001C
+#define C6713_EMIF_SDRAMEXT 0x01800020
+
+struct hpi_hw_obj {
+ /* PCI registers */
+ __iomem u32 *prHSR;
+ __iomem u32 *prHDCR;
+ __iomem u32 *prDSPP;
+
+ u32 dsp_page;
+
+ struct consistent_dma_area h_locked_mem;
+ struct bus_master_interface *p_interface_buffer;
+
+ u16 flag_outstream_just_reset[HPI_MAX_STREAMS];
+ /* a non-NULL handle means there is an HPI allocated buffer */
+ struct consistent_dma_area instream_host_buffers[HPI_MAX_STREAMS];
+ struct consistent_dma_area outstream_host_buffers[HPI_MAX_STREAMS];
+ /* non-zero size means a buffer exists, may be external */
+ u32 instream_host_buffer_size[HPI_MAX_STREAMS];
+ u32 outstream_host_buffer_size[HPI_MAX_STREAMS];
+
+ struct consistent_dma_area h_control_cache;
+ struct hpi_control_cache *p_cache;
+};
+
+/*****************************************************************************/
+/* local prototypes */
+
+#define check_before_bbm_copy(status, p_bbm_data, l_first_write, l_second_write)
+
+static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us);
+
+static void send_dsp_command(struct hpi_hw_obj *phw, int cmd);
+
+static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
+ u32 *pos_error_code);
+
+static u16 message_response_sequence(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
+ struct hpi_response *phr);
+
+#define HPI6205_TIMEOUT 1000000
+
+static void subsys_create_adapter(struct hpi_message *phm,
+ struct hpi_response *phr);
+static void adapter_delete(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
+ u32 *pos_error_code);
+
+static void delete_adapter_obj(struct hpi_adapter_obj *pao);
+
+static int adapter_irq_query_and_clear(struct hpi_adapter_obj *pao,
+ u32 message);
+
+static void outstream_host_buffer_allocate(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_host_buffer_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_host_buffer_free(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+static void outstream_write(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_start(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_open(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_reset(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void instream_host_buffer_allocate(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void instream_host_buffer_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void instream_host_buffer_free(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void instream_read(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void instream_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static void instream_start(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr);
+
+static u32 boot_loader_read_mem32(struct hpi_adapter_obj *pao, int dsp_index,
+ u32 address);
+
+static void boot_loader_write_mem32(struct hpi_adapter_obj *pao,
+ int dsp_index, u32 address, u32 data);
+
+static u16 boot_loader_config_emif(struct hpi_adapter_obj *pao,
+ int dsp_index);
+
+static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
+ u32 address, u32 length);
+
+static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao,
+ int dsp_index);
+
+static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao,
+ int dsp_index);
+
+static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index);
+
+/*****************************************************************************/
+
+static void subsys_message(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ switch (phm->function) {
+ case HPI_SUBSYS_CREATE_ADAPTER:
+ subsys_create_adapter(phm, phr);
+ break;
+ default:
+ phr->error = HPI_ERROR_INVALID_FUNC;
+ break;
+ }
+}
+
+static void control_message(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+
+ struct hpi_hw_obj *phw = pao->priv;
+ u16 pending_cache_error = 0;
+
+ switch (phm->function) {
+ case HPI_CONTROL_GET_STATE:
+ if (pao->has_control_cache) {
+ rmb(); /* make sure we see updates DMAed from DSP */
+ if (hpi_check_control_cache(phw->p_cache, phm, phr)) {
+ break;
+ } else if (phm->u.c.attribute == HPI_METER_PEAK) {
+ pending_cache_error =
+ HPI_ERROR_CONTROL_CACHING;
+ }
+ }
+ hw_message(pao, phm, phr);
+ if (pending_cache_error && !phr->error)
+ phr->error = pending_cache_error;
+ break;
+ case HPI_CONTROL_GET_INFO:
+ hw_message(pao, phm, phr);
+ break;
+ case HPI_CONTROL_SET_STATE:
+ hw_message(pao, phm, phr);
+ if (pao->has_control_cache)
+ hpi_cmn_control_cache_sync_to_msg(phw->p_cache, phm,
+ phr);
+ break;
+ default:
+ phr->error = HPI_ERROR_INVALID_FUNC;
+ break;
+ }
+}
+
+static void adapter_message(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ switch (phm->function) {
+ case HPI_ADAPTER_DELETE:
+ adapter_delete(pao, phm, phr);
+ break;
+ default:
+ hw_message(pao, phm, phr);
+ break;
+ }
+}
+
+static void outstream_message(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+
+ if (phm->obj_index >= HPI_MAX_STREAMS) {
+ phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
+ HPI_DEBUG_LOG(WARNING,
+ "Message referencing invalid stream %d "
+ "on adapter index %d\n", phm->obj_index,
+ phm->adapter_index);
+ return;
+ }
+
+ switch (phm->function) {
+ case HPI_OSTREAM_WRITE:
+ outstream_write(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_GET_INFO:
+ outstream_get_info(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_HOSTBUFFER_ALLOC:
+ outstream_host_buffer_allocate(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_HOSTBUFFER_GET_INFO:
+ outstream_host_buffer_get_info(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_HOSTBUFFER_FREE:
+ outstream_host_buffer_free(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_START:
+ outstream_start(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_OPEN:
+ outstream_open(pao, phm, phr);
+ break;
+ case HPI_OSTREAM_RESET:
+ outstream_reset(pao, phm, phr);
+ break;
+ default:
+ hw_message(pao, phm, phr);
+ break;
+ }
+}
+
+static void instream_message(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+
+ if (phm->obj_index >= HPI_MAX_STREAMS) {
+ phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
+ HPI_DEBUG_LOG(WARNING,
+ "Message referencing invalid stream %d "
+ "on adapter index %d\n", phm->obj_index,
+ phm->adapter_index);
+ return;
+ }
+
+ switch (phm->function) {
+ case HPI_ISTREAM_READ:
+ instream_read(pao, phm, phr);
+ break;
+ case HPI_ISTREAM_GET_INFO:
+ instream_get_info(pao, phm, phr);
+ break;
+ case HPI_ISTREAM_HOSTBUFFER_ALLOC:
+ instream_host_buffer_allocate(pao, phm, phr);
+ break;
+ case HPI_ISTREAM_HOSTBUFFER_GET_INFO:
+ instream_host_buffer_get_info(pao, phm, phr);
+ break;
+ case HPI_ISTREAM_HOSTBUFFER_FREE:
+ instream_host_buffer_free(pao, phm, phr);
+ break;
+ case HPI_ISTREAM_START:
+ instream_start(pao, phm, phr);
+ break;
+ default:
+ hw_message(pao, phm, phr);
+ break;
+ }
+}
+
+/*****************************************************************************/
+/** Entry point to this HPI backend
+ * All calls to the HPI start here
+ */
+static
+void _HPI_6205(struct hpi_adapter_obj *pao, struct hpi_message *phm,
+ struct hpi_response *phr)
+{
+ if (pao && (pao->dsp_crashed >= 10)
+ && (phm->function != HPI_ADAPTER_DEBUG_READ)) {
+ /* allow last resort debug read even after crash */
+ hpi_init_response(phr, phm->object, phm->function,
+ HPI_ERROR_DSP_HARDWARE);
+ HPI_DEBUG_LOG(WARNING, " %d,%d dsp crashed.\n", phm->object,
+ phm->function);
+ return;
+ }
+
+ /* Init default response */
+ if (phm->function != HPI_SUBSYS_CREATE_ADAPTER)
+ phr->error = HPI_ERROR_PROCESSING_MESSAGE;
+
+ HPI_DEBUG_LOG(VERBOSE, "start of switch\n");
+ switch (phm->type) {
+ case HPI_TYPE_REQUEST:
+ switch (phm->object) {
+ case HPI_OBJ_SUBSYSTEM:
+ subsys_message(pao, phm, phr);
+ break;
+
+ case HPI_OBJ_ADAPTER:
+ adapter_message(pao, phm, phr);
+ break;
+
+ case HPI_OBJ_CONTROL:
+ control_message(pao, phm, phr);
+ break;
+
+ case HPI_OBJ_OSTREAM:
+ outstream_message(pao, phm, phr);
+ break;
+
+ case HPI_OBJ_ISTREAM:
+ instream_message(pao, phm, phr);
+ break;
+
+ default:
+ hw_message(pao, phm, phr);
+ break;
+ }
+ break;
+
+ default:
+ phr->error = HPI_ERROR_INVALID_TYPE;
+ break;
+ }
+}
+
+void HPI_6205(struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_adapter_obj *pao = NULL;
+
+ if (phm->object != HPI_OBJ_SUBSYSTEM) {
+ /* normal messages must have valid adapter index */
+ pao = hpi_find_adapter(phm->adapter_index);
+ } else {
+ /* subsys messages don't address an adapter */
+ _HPI_6205(NULL, phm, phr);
+ return;
+ }
+
+ if (pao)
+ _HPI_6205(pao, phm, phr);
+ else
+ hpi_init_response(phr, phm->object, phm->function,
+ HPI_ERROR_BAD_ADAPTER_NUMBER);
+}
+
+/*****************************************************************************/
+/* SUBSYSTEM */
+
+/** Create an adapter object and initialise it based on resource information
+ * passed in in the message
+ * *** NOTE - you cannot use this function AND the FindAdapters function at the
+ * same time, the application must use only one of them to get the adapters ***
+ */
+static void subsys_create_adapter(struct hpi_message *phm,
+ struct hpi_response *phr)
+{
+ /* create temp adapter obj, because we don't know what index yet */
+ struct hpi_adapter_obj ao;
+ u32 os_error_code;
+ u16 err;
+
+ HPI_DEBUG_LOG(DEBUG, " subsys_create_adapter\n");
+
+ memset(&ao, 0, sizeof(ao));
+
+ ao.priv = kzalloc(sizeof(struct hpi_hw_obj), GFP_KERNEL);
+ if (!ao.priv) {
+ HPI_DEBUG_LOG(ERROR, "can't get mem for adapter object\n");
+ phr->error = HPI_ERROR_MEMORY_ALLOC;
+ return;
+ }
+
+ ao.pci = *phm->u.s.resource.r.pci;
+ err = create_adapter_obj(&ao, &os_error_code);
+ if (err) {
+ delete_adapter_obj(&ao);
+ if (err >= HPI_ERROR_BACKEND_BASE) {
+ phr->error = HPI_ERROR_DSP_BOOTLOAD;
+ phr->specific_error = err;
+ } else {
+ phr->error = err;
+ }
+ phr->u.s.data = os_error_code;
+ return;
+ }
+
+ phr->u.s.adapter_type = ao.type;
+ phr->u.s.adapter_index = ao.index;
+ phr->error = 0;
+}
+
+/** delete an adapter - required by WDM driver */
+static void adapter_delete(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw;
+
+ if (!pao) {
+ phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
+ return;
+ }
+ phw = pao->priv;
+ /* reset adapter h/w */
+ /* Reset C6713 #1 */
+ boot_loader_write_mem32(pao, 0, C6205_BAR0_TIMER1_CTL, 0);
+ /* reset C6205 */
+ iowrite32(C6205_HDCR_WARMRESET, phw->prHDCR);
+
+ delete_adapter_obj(pao);
+ hpi_delete_adapter(pao);
+ phr->error = 0;
+}
+
+/** Create adapter object
+ allocate buffers, bootload DSPs, initialise control cache
+*/
+static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
+ u32 *pos_error_code)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface;
+ u32 phys_addr;
+ int i;
+ u16 err;
+
+ /* init error reporting */
+ pao->dsp_crashed = 0;
+
+ for (i = 0; i < HPI_MAX_STREAMS; i++)
+ phw->flag_outstream_just_reset[i] = 1;
+
+ /* The C6205 memory area 1 is 8Mbyte window into DSP registers */
+ phw->prHSR =
+ pao->pci.ap_mem_base[1] +
+ C6205_BAR1_HSR / sizeof(*pao->pci.ap_mem_base[1]);
+ phw->prHDCR =
+ pao->pci.ap_mem_base[1] +
+ C6205_BAR1_HDCR / sizeof(*pao->pci.ap_mem_base[1]);
+ phw->prDSPP =
+ pao->pci.ap_mem_base[1] +
+ C6205_BAR1_DSPP / sizeof(*pao->pci.ap_mem_base[1]);
+
+ pao->has_control_cache = 0;
+
+ if (hpios_locked_mem_alloc(&phw->h_locked_mem,
+ sizeof(struct bus_master_interface),
+ pao->pci.pci_dev))
+ phw->p_interface_buffer = NULL;
+ else if (hpios_locked_mem_get_virt_addr(&phw->h_locked_mem,
+ (void *)&phw->p_interface_buffer))
+ phw->p_interface_buffer = NULL;
+
+ HPI_DEBUG_LOG(DEBUG, "interface buffer address %p\n",
+ phw->p_interface_buffer);
+
+ if (phw->p_interface_buffer) {
+ memset((void *)phw->p_interface_buffer, 0,
+ sizeof(struct bus_master_interface));
+ phw->p_interface_buffer->dsp_ack = H620_HIF_UNKNOWN;
+ }
+
+ err = adapter_boot_load_dsp(pao, pos_error_code);
+ if (err) {
+ HPI_DEBUG_LOG(ERROR, "DSP code load failed\n");
+ /* no need to clean up as SubSysCreateAdapter */
+ /* calls DeleteAdapter on error. */
+ return err;
+ }
+ HPI_DEBUG_LOG(INFO, "load DSP code OK\n");
+
+ /* allow boot load even if mem alloc wont work */
+ if (!phw->p_interface_buffer)
+ return HPI_ERROR_MEMORY_ALLOC;
+
+ interface = phw->p_interface_buffer;
+
+ /* make sure the DSP has started ok */
+ if (!wait_dsp_ack(phw, H620_HIF_RESET, HPI6205_TIMEOUT * 10)) {
+ HPI_DEBUG_LOG(ERROR, "timed out waiting reset state \n");
+ return HPI6205_ERROR_6205_INIT_FAILED;
+ }
+ /* Note that *pao, *phw are zeroed after allocation,
+ * so pointers and flags are NULL by default.
+ * Allocate bus mastering control cache buffer and tell the DSP about it
+ */
+ if (interface->control_cache.number_of_controls) {
+ u8 *p_control_cache_virtual;
+
+ err = hpios_locked_mem_alloc(&phw->h_control_cache,
+ interface->control_cache.size_in_bytes,
+ pao->pci.pci_dev);
+ if (!err)
+ err = hpios_locked_mem_get_virt_addr(&phw->
+ h_control_cache,
+ (void *)&p_control_cache_virtual);
+ if (!err) {
+ memset(p_control_cache_virtual, 0,
+ interface->control_cache.size_in_bytes);
+
+ phw->p_cache =
+ hpi_alloc_control_cache(interface->
+ control_cache.number_of_controls,
+ interface->control_cache.size_in_bytes,
+ p_control_cache_virtual);
+
+ if (!phw->p_cache)
+ err = HPI_ERROR_MEMORY_ALLOC;
+ }
+ if (!err) {
+ err = hpios_locked_mem_get_phys_addr(&phw->
+ h_control_cache, &phys_addr);
+ interface->control_cache.physical_address32 =
+ phys_addr;
+ }
+
+ if (!err)
+ pao->has_control_cache = 1;
+ else {
+ if (hpios_locked_mem_valid(&phw->h_control_cache))
+ hpios_locked_mem_free(&phw->h_control_cache);
+ pao->has_control_cache = 0;
+ }
+ }
+ send_dsp_command(phw, H620_HIF_IDLE);
+
+ {
+ struct hpi_message hm;
+ struct hpi_response hr;
+ u32 max_streams;
+
+ HPI_DEBUG_LOG(VERBOSE, "init ADAPTER_GET_INFO\n");
+ memset(&hm, 0, sizeof(hm));
+ /* wAdapterIndex == version == 0 */
+ hm.type = HPI_TYPE_REQUEST;
+ hm.size = sizeof(hm);
+ hm.object = HPI_OBJ_ADAPTER;
+ hm.function = HPI_ADAPTER_GET_INFO;
+
+ memset(&hr, 0, sizeof(hr));
+ hr.size = sizeof(hr);
+
+ err = message_response_sequence(pao, &hm, &hr);
+ if (err) {
+ HPI_DEBUG_LOG(ERROR, "message transport error %d\n",
+ err);
+ return err;
+ }
+ if (hr.error)
+ return hr.error;
+
+ pao->type = hr.u.ax.info.adapter_type;
+ pao->index = hr.u.ax.info.adapter_index;
+
+ max_streams =
+ hr.u.ax.info.num_outstreams +
+ hr.u.ax.info.num_instreams;
+
+ HPI_DEBUG_LOG(VERBOSE,
+ "got adapter info type %x index %d serial %d\n",
+ hr.u.ax.info.adapter_type, hr.u.ax.info.adapter_index,
+ hr.u.ax.info.serial_number);
+ }
+
+ if (phw->p_cache)
+ phw->p_cache->adap_idx = pao->index;
+
+ HPI_DEBUG_LOG(INFO, "bootload DSP OK\n");
+
+ pao->irq_query_and_clear = adapter_irq_query_and_clear;
+ pao->instream_host_buffer_status =
+ phw->p_interface_buffer->instream_host_buffer_status;
+ pao->outstream_host_buffer_status =
+ phw->p_interface_buffer->outstream_host_buffer_status;
+
+ return hpi_add_adapter(pao);
+}
+
+/** Free memory areas allocated by adapter
+ * this routine is called from AdapterDelete,
+ * and SubSysCreateAdapter if duplicate index
+*/
+static void delete_adapter_obj(struct hpi_adapter_obj *pao)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ int i;
+
+ if (hpios_locked_mem_valid(&phw->h_control_cache)) {
+ hpios_locked_mem_free(&phw->h_control_cache);
+ hpi_free_control_cache(phw->p_cache);
+ }
+
+ if (hpios_locked_mem_valid(&phw->h_locked_mem)) {
+ hpios_locked_mem_free(&phw->h_locked_mem);
+ phw->p_interface_buffer = NULL;
+ }
+
+ for (i = 0; i < HPI_MAX_STREAMS; i++)
+ if (hpios_locked_mem_valid(&phw->instream_host_buffers[i])) {
+ hpios_locked_mem_free(&phw->instream_host_buffers[i]);
+ /*?phw->InStreamHostBuffers[i] = NULL; */
+ phw->instream_host_buffer_size[i] = 0;
+ }
+
+ for (i = 0; i < HPI_MAX_STREAMS; i++)
+ if (hpios_locked_mem_valid(&phw->outstream_host_buffers[i])) {
+ hpios_locked_mem_free(&phw->outstream_host_buffers
+ [i]);
+ phw->outstream_host_buffer_size[i] = 0;
+ }
+ kfree(phw);
+}
+
+/*****************************************************************************/
+/* Adapter functions */
+static int adapter_irq_query_and_clear(struct hpi_adapter_obj *pao,
+ u32 message)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ u32 hsr = 0;
+
+ hsr = ioread32(phw->prHSR);
+ if (hsr & C6205_HSR_INTSRC) {
+ /* reset the interrupt from the DSP */
+ iowrite32(C6205_HSR_INTSRC, phw->prHSR);
+ return HPI_IRQ_MIXER;
+ }
+
+ return HPI_IRQ_NONE;
+}
+
+/*****************************************************************************/
+/* OutStream Host buffer functions */
+
+/** Allocate or attach buffer for busmastering
+*/
+static void outstream_host_buffer_allocate(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ u16 err = 0;
+ u32 command = phm->u.d.u.buffer.command;
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+
+ hpi_init_response(phr, phm->object, phm->function, 0);
+
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_ALLOC) {
+ /* ALLOC phase, allocate a buffer with power of 2 size,
+ get its bus address for PCI bus mastering
+ */
+ phm->u.d.u.buffer.buffer_size =
+ roundup_pow_of_two(phm->u.d.u.buffer.buffer_size);
+ /* return old size and allocated size,
+ so caller can detect change */
+ phr->u.d.u.stream_info.data_available =
+ phw->outstream_host_buffer_size[phm->obj_index];
+ phr->u.d.u.stream_info.buffer_size =
+ phm->u.d.u.buffer.buffer_size;
+
+ if (phw->outstream_host_buffer_size[phm->obj_index] ==
+ phm->u.d.u.buffer.buffer_size) {
+ /* Same size, no action required */
+ return;
+ }
+
+ if (hpios_locked_mem_valid(&phw->outstream_host_buffers[phm->
+ obj_index]))
+ hpios_locked_mem_free(&phw->outstream_host_buffers
+ [phm->obj_index]);
+
+ err = hpios_locked_mem_alloc(&phw->outstream_host_buffers
+ [phm->obj_index], phm->u.d.u.buffer.buffer_size,
+ pao->pci.pci_dev);
+
+ if (err) {
+ phr->error = HPI_ERROR_INVALID_DATASIZE;
+ phw->outstream_host_buffer_size[phm->obj_index] = 0;
+ return;
+ }
+
+ err = hpios_locked_mem_get_phys_addr
+ (&phw->outstream_host_buffers[phm->obj_index],
+ &phm->u.d.u.buffer.pci_address);
+ /* get the phys addr into msg for single call alloc caller
+ * needs to do this for split alloc (or use the same message)
+ * return the phy address for split alloc in the respose too
+ */
+ phr->u.d.u.stream_info.auxiliary_data_available =
+ phm->u.d.u.buffer.pci_address;
+
+ if (err) {
+ hpios_locked_mem_free(&phw->outstream_host_buffers
+ [phm->obj_index]);
+ phw->outstream_host_buffer_size[phm->obj_index] = 0;
+ phr->error = HPI_ERROR_MEMORY_ALLOC;
+ return;
+ }
+ }
+
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER) {
+ /* GRANT phase. Set up the BBM status, tell the DSP about
+ the buffer so it can start using BBM.
+ */
+ struct hpi_hostbuffer_status *status;
+
+ if (phm->u.d.u.buffer.buffer_size & (phm->u.d.u.buffer.
+ buffer_size - 1)) {
+ HPI_DEBUG_LOG(ERROR,
+ "Buffer size must be 2^N not %d\n",
+ phm->u.d.u.buffer.buffer_size);
+ phr->error = HPI_ERROR_INVALID_DATASIZE;
+ return;
+ }
+ phw->outstream_host_buffer_size[phm->obj_index] =
+ phm->u.d.u.buffer.buffer_size;
+ status = &interface->outstream_host_buffer_status[phm->
+ obj_index];
+ status->samples_processed = 0;
+ status->stream_state = HPI_STATE_STOPPED;
+ status->dsp_index = 0;
+ status->host_index = status->dsp_index;
+ status->size_in_bytes = phm->u.d.u.buffer.buffer_size;
+ status->auxiliary_data_available = 0;
+
+ hw_message(pao, phm, phr);
+
+ if (phr->error
+ && hpios_locked_mem_valid(&phw->
+ outstream_host_buffers[phm->obj_index])) {
+ hpios_locked_mem_free(&phw->outstream_host_buffers
+ [phm->obj_index]);
+ phw->outstream_host_buffer_size[phm->obj_index] = 0;
+ }
+ }
+}
+
+static void outstream_host_buffer_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ struct hpi_hostbuffer_status *status;
+ u8 *p_bbm_data;
+
+ if (hpios_locked_mem_valid(&phw->outstream_host_buffers[phm->
+ obj_index])) {
+ if (hpios_locked_mem_get_virt_addr(&phw->
+ outstream_host_buffers[phm->obj_index],
+ (void *)&p_bbm_data)) {
+ phr->error = HPI_ERROR_INVALID_OPERATION;
+ return;
+ }
+ status = &interface->outstream_host_buffer_status[phm->
+ obj_index];
+ hpi_init_response(phr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_HOSTBUFFER_GET_INFO, 0);
+ phr->u.d.u.hostbuffer_info.p_buffer = p_bbm_data;
+ phr->u.d.u.hostbuffer_info.p_status = status;
+ } else {
+ hpi_init_response(phr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_HOSTBUFFER_GET_INFO,
+ HPI_ERROR_INVALID_OPERATION);
+ }
+}
+
+static void outstream_host_buffer_free(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ u32 command = phm->u.d.u.buffer.command;
+
+ if (phw->outstream_host_buffer_size[phm->obj_index]) {
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER) {
+ phw->outstream_host_buffer_size[phm->obj_index] = 0;
+ hw_message(pao, phm, phr);
+ /* Tell adapter to stop using the host buffer. */
+ }
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_FREE)
+ hpios_locked_mem_free(&phw->outstream_host_buffers
+ [phm->obj_index]);
+ }
+ /* Should HPI_ERROR_INVALID_OPERATION be returned
+ if no host buffer is allocated? */
+ else
+ hpi_init_response(phr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_HOSTBUFFER_FREE, 0);
+
+}
+
+static u32 outstream_get_space_available(struct hpi_hostbuffer_status *status)
+{
+ return status->size_in_bytes - (status->host_index -
+ status->dsp_index);
+}
+
+static void outstream_write(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ struct hpi_hostbuffer_status *status;
+ u32 space_available;
+
+ if (!phw->outstream_host_buffer_size[phm->obj_index]) {
+ /* there is no BBM buffer, write via message */
+ hw_message(pao, phm, phr);
+ return;
+ }
+
+ hpi_init_response(phr, phm->object, phm->function, 0);
+ status = &interface->outstream_host_buffer_status[phm->obj_index];
+
+ space_available = outstream_get_space_available(status);
+ if (space_available < phm->u.d.u.data.data_size) {
+ phr->error = HPI_ERROR_INVALID_DATASIZE;
+ return;
+ }
+
+ /* HostBuffers is used to indicate host buffer is internally allocated.
+ otherwise, assumed external, data written externally */
+ if (phm->u.d.u.data.pb_data
+ && hpios_locked_mem_valid(&phw->outstream_host_buffers[phm->
+ obj_index])) {
+ u8 *p_bbm_data;
+ u32 l_first_write;
+ u8 *p_app_data = (u8 *)phm->u.d.u.data.pb_data;
+
+ if (hpios_locked_mem_get_virt_addr(&phw->
+ outstream_host_buffers[phm->obj_index],
+ (void *)&p_bbm_data)) {
+ phr->error = HPI_ERROR_INVALID_OPERATION;
+ return;
+ }
+
+ /* either all data,
+ or enough to fit from current to end of BBM buffer */
+ l_first_write =
+ min(phm->u.d.u.data.data_size,
+ status->size_in_bytes -
+ (status->host_index & (status->size_in_bytes - 1)));
+
+ memcpy(p_bbm_data +
+ (status->host_index & (status->size_in_bytes - 1)),
+ p_app_data, l_first_write);
+ /* remaining data if any */
+ memcpy(p_bbm_data, p_app_data + l_first_write,
+ phm->u.d.u.data.data_size - l_first_write);
+ }
+
+ /*
+ * This version relies on the DSP code triggering an OStream buffer
+ * update immediately following a SET_FORMAT call. The host has
+ * already written data into the BBM buffer, but the DSP won't know
+ * about it until dwHostIndex is adjusted.
+ */
+ if (phw->flag_outstream_just_reset[phm->obj_index]) {
+ /* Format can only change after reset. Must tell DSP. */
+ u16 function = phm->function;
+ phw->flag_outstream_just_reset[phm->obj_index] = 0;
+ phm->function = HPI_OSTREAM_SET_FORMAT;
+ hw_message(pao, phm, phr); /* send the format to the DSP */
+ phm->function = function;
+ if (phr->error)
+ return;
+ }
+
+ status->host_index += phm->u.d.u.data.data_size;
+}
+
+static void outstream_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ struct hpi_hostbuffer_status *status;
+
+ if (!phw->outstream_host_buffer_size[phm->obj_index]) {
+ hw_message(pao, phm, phr);
+ return;
+ }
+
+ hpi_init_response(phr, phm->object, phm->function, 0);
+
+ status = &interface->outstream_host_buffer_status[phm->obj_index];
+
+ phr->u.d.u.stream_info.state = (u16)status->stream_state;
+ phr->u.d.u.stream_info.samples_transferred =
+ status->samples_processed;
+ phr->u.d.u.stream_info.buffer_size = status->size_in_bytes;
+ phr->u.d.u.stream_info.data_available =
+ status->size_in_bytes - outstream_get_space_available(status);
+ phr->u.d.u.stream_info.auxiliary_data_available =
+ status->auxiliary_data_available;
+}
+
+static void outstream_start(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ hw_message(pao, phm, phr);
+}
+
+static void outstream_reset(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ phw->flag_outstream_just_reset[phm->obj_index] = 1;
+ hw_message(pao, phm, phr);
+}
+
+static void outstream_open(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ outstream_reset(pao, phm, phr);
+}
+
+/*****************************************************************************/
+/* InStream Host buffer functions */
+
+static void instream_host_buffer_allocate(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ u16 err = 0;
+ u32 command = phm->u.d.u.buffer.command;
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+
+ hpi_init_response(phr, phm->object, phm->function, 0);
+
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_ALLOC) {
+
+ phm->u.d.u.buffer.buffer_size =
+ roundup_pow_of_two(phm->u.d.u.buffer.buffer_size);
+ phr->u.d.u.stream_info.data_available =
+ phw->instream_host_buffer_size[phm->obj_index];
+ phr->u.d.u.stream_info.buffer_size =
+ phm->u.d.u.buffer.buffer_size;
+
+ if (phw->instream_host_buffer_size[phm->obj_index] ==
+ phm->u.d.u.buffer.buffer_size) {
+ /* Same size, no action required */
+ return;
+ }
+
+ if (hpios_locked_mem_valid(&phw->instream_host_buffers[phm->
+ obj_index]))
+ hpios_locked_mem_free(&phw->instream_host_buffers
+ [phm->obj_index]);
+
+ err = hpios_locked_mem_alloc(&phw->instream_host_buffers[phm->
+ obj_index], phm->u.d.u.buffer.buffer_size,
+ pao->pci.pci_dev);
+
+ if (err) {
+ phr->error = HPI_ERROR_INVALID_DATASIZE;
+ phw->instream_host_buffer_size[phm->obj_index] = 0;
+ return;
+ }
+
+ err = hpios_locked_mem_get_phys_addr
+ (&phw->instream_host_buffers[phm->obj_index],
+ &phm->u.d.u.buffer.pci_address);
+ /* get the phys addr into msg for single call alloc. Caller
+ needs to do this for split alloc so return the phy address */
+ phr->u.d.u.stream_info.auxiliary_data_available =
+ phm->u.d.u.buffer.pci_address;
+ if (err) {
+ hpios_locked_mem_free(&phw->instream_host_buffers
+ [phm->obj_index]);
+ phw->instream_host_buffer_size[phm->obj_index] = 0;
+ phr->error = HPI_ERROR_MEMORY_ALLOC;
+ return;
+ }
+ }
+
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER) {
+ struct hpi_hostbuffer_status *status;
+
+ if (phm->u.d.u.buffer.buffer_size & (phm->u.d.u.buffer.
+ buffer_size - 1)) {
+ HPI_DEBUG_LOG(ERROR,
+ "Buffer size must be 2^N not %d\n",
+ phm->u.d.u.buffer.buffer_size);
+ phr->error = HPI_ERROR_INVALID_DATASIZE;
+ return;
+ }
+
+ phw->instream_host_buffer_size[phm->obj_index] =
+ phm->u.d.u.buffer.buffer_size;
+ status = &interface->instream_host_buffer_status[phm->
+ obj_index];
+ status->samples_processed = 0;
+ status->stream_state = HPI_STATE_STOPPED;
+ status->dsp_index = 0;
+ status->host_index = status->dsp_index;
+ status->size_in_bytes = phm->u.d.u.buffer.buffer_size;
+ status->auxiliary_data_available = 0;
+
+ hw_message(pao, phm, phr);
+
+ if (phr->error
+ && hpios_locked_mem_valid(&phw->
+ instream_host_buffers[phm->obj_index])) {
+ hpios_locked_mem_free(&phw->instream_host_buffers
+ [phm->obj_index]);
+ phw->instream_host_buffer_size[phm->obj_index] = 0;
+ }
+ }
+}
+
+static void instream_host_buffer_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ struct hpi_hostbuffer_status *status;
+ u8 *p_bbm_data;
+
+ if (hpios_locked_mem_valid(&phw->instream_host_buffers[phm->
+ obj_index])) {
+ if (hpios_locked_mem_get_virt_addr(&phw->
+ instream_host_buffers[phm->obj_index],
+ (void *)&p_bbm_data)) {
+ phr->error = HPI_ERROR_INVALID_OPERATION;
+ return;
+ }
+ status = &interface->instream_host_buffer_status[phm->
+ obj_index];
+ hpi_init_response(phr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_HOSTBUFFER_GET_INFO, 0);
+ phr->u.d.u.hostbuffer_info.p_buffer = p_bbm_data;
+ phr->u.d.u.hostbuffer_info.p_status = status;
+ } else {
+ hpi_init_response(phr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_HOSTBUFFER_GET_INFO,
+ HPI_ERROR_INVALID_OPERATION);
+ }
+}
+
+static void instream_host_buffer_free(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ u32 command = phm->u.d.u.buffer.command;
+
+ if (phw->instream_host_buffer_size[phm->obj_index]) {
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER) {
+ phw->instream_host_buffer_size[phm->obj_index] = 0;
+ hw_message(pao, phm, phr);
+ }
+
+ if (command == HPI_BUFFER_CMD_EXTERNAL
+ || command == HPI_BUFFER_CMD_INTERNAL_FREE)
+ hpios_locked_mem_free(&phw->instream_host_buffers
+ [phm->obj_index]);
+
+ } else {
+ /* Should HPI_ERROR_INVALID_OPERATION be returned
+ if no host buffer is allocated? */
+ hpi_init_response(phr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_HOSTBUFFER_FREE, 0);
+
+ }
+
+}
+
+static void instream_start(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ hw_message(pao, phm, phr);
+}
+
+static u32 instream_get_bytes_available(struct hpi_hostbuffer_status *status)
+{
+ return status->dsp_index - status->host_index;
+}
+
+static void instream_read(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ struct hpi_hostbuffer_status *status;
+ u32 data_available;
+ u8 *p_bbm_data;
+ u32 l_first_read;
+ u8 *p_app_data = (u8 *)phm->u.d.u.data.pb_data;
+
+ if (!phw->instream_host_buffer_size[phm->obj_index]) {
+ hw_message(pao, phm, phr);
+ return;
+ }
+ hpi_init_response(phr, phm->object, phm->function, 0);
+
+ status = &interface->instream_host_buffer_status[phm->obj_index];
+ data_available = instream_get_bytes_available(status);
+ if (data_available < phm->u.d.u.data.data_size) {
+ phr->error = HPI_ERROR_INVALID_DATASIZE;
+ return;
+ }
+
+ if (hpios_locked_mem_valid(&phw->instream_host_buffers[phm->
+ obj_index])) {
+ if (hpios_locked_mem_get_virt_addr(&phw->
+ instream_host_buffers[phm->obj_index],
+ (void *)&p_bbm_data)) {
+ phr->error = HPI_ERROR_INVALID_OPERATION;
+ return;
+ }
+
+ /* either all data,
+ or enough to fit from current to end of BBM buffer */
+ l_first_read =
+ min(phm->u.d.u.data.data_size,
+ status->size_in_bytes -
+ (status->host_index & (status->size_in_bytes - 1)));
+
+ memcpy(p_app_data,
+ p_bbm_data +
+ (status->host_index & (status->size_in_bytes - 1)),
+ l_first_read);
+ /* remaining data if any */
+ memcpy(p_app_data + l_first_read, p_bbm_data,
+ phm->u.d.u.data.data_size - l_first_read);
+ }
+ status->host_index += phm->u.d.u.data.data_size;
+}
+
+static void instream_get_info(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ struct hpi_hostbuffer_status *status;
+ if (!phw->instream_host_buffer_size[phm->obj_index]) {
+ hw_message(pao, phm, phr);
+ return;
+ }
+
+ status = &interface->instream_host_buffer_status[phm->obj_index];
+
+ hpi_init_response(phr, phm->object, phm->function, 0);
+
+ phr->u.d.u.stream_info.state = (u16)status->stream_state;
+ phr->u.d.u.stream_info.samples_transferred =
+ status->samples_processed;
+ phr->u.d.u.stream_info.buffer_size = status->size_in_bytes;
+ phr->u.d.u.stream_info.data_available =
+ instream_get_bytes_available(status);
+ phr->u.d.u.stream_info.auxiliary_data_available =
+ status->auxiliary_data_available;
+}
+
+/*****************************************************************************/
+/* LOW-LEVEL */
+#define HPI6205_MAX_FILES_TO_LOAD 2
+
+static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
+ u32 *pos_error_code)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ struct dsp_code dsp_code;
+ u16 boot_code_id[HPI6205_MAX_FILES_TO_LOAD];
+ u32 temp;
+ int dsp = 0, i = 0;
+ u16 err = 0;
+
+ boot_code_id[0] = HPI_ADAPTER_ASI(0x6205);
+
+ boot_code_id[1] = pao->pci.pci_dev->subsystem_device;
+ boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(boot_code_id[1]);
+
+ /* fix up cases where bootcode id[1] != subsys id */
+ switch (boot_code_id[1]) {
+ case HPI_ADAPTER_FAMILY_ASI(0x5000):
+ boot_code_id[0] = boot_code_id[1];
+ boot_code_id[1] = 0;
+ break;
+ case HPI_ADAPTER_FAMILY_ASI(0x5300):
+ case HPI_ADAPTER_FAMILY_ASI(0x5400):
+ case HPI_ADAPTER_FAMILY_ASI(0x6300):
+ boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x6400);
+ break;
+ case HPI_ADAPTER_FAMILY_ASI(0x5500):
+ case HPI_ADAPTER_FAMILY_ASI(0x5600):
+ case HPI_ADAPTER_FAMILY_ASI(0x6500):
+ boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x6600);
+ break;
+ case HPI_ADAPTER_FAMILY_ASI(0x8800):
+ boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x8900);
+ break;
+ default:
+ break;
+ }
+
+ /* reset DSP by writing a 1 to the WARMRESET bit */
+ temp = C6205_HDCR_WARMRESET;
+ iowrite32(temp, phw->prHDCR);
+ hpios_delay_micro_seconds(1000);
+
+ /* check that PCI i/f was configured by EEPROM */
+ temp = ioread32(phw->prHSR);
+ if ((temp & (C6205_HSR_CFGERR | C6205_HSR_EEREAD)) !=
+ C6205_HSR_EEREAD)
+ return HPI6205_ERROR_6205_EEPROM;
+ temp |= 0x04;
+ /* disable PINTA interrupt */
+ iowrite32(temp, phw->prHSR);
+
+ /* check control register reports PCI boot mode */
+ temp = ioread32(phw->prHDCR);
+ if (!(temp & C6205_HDCR_PCIBOOT))
+ return HPI6205_ERROR_6205_REG;
+
+ /* try writing a few numbers to the DSP page register */
+ /* and reading them back. */
+ temp = 3;
+ iowrite32(temp, phw->prDSPP);
+ if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
+ return HPI6205_ERROR_6205_DSPPAGE;
+ temp = 2;
+ iowrite32(temp, phw->prDSPP);
+ if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
+ return HPI6205_ERROR_6205_DSPPAGE;
+ temp = 1;
+ iowrite32(temp, phw->prDSPP);
+ if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
+ return HPI6205_ERROR_6205_DSPPAGE;
+ /* reset DSP page to the correct number */
+ temp = 0;
+ iowrite32(temp, phw->prDSPP);
+ if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
+ return HPI6205_ERROR_6205_DSPPAGE;
+ phw->dsp_page = 0;
+
+ /* release 6713 from reset before 6205 is bootloaded.
+ This ensures that the EMIF is inactive,
+ and the 6713 HPI gets the correct bootmode etc
+ */
+ if (boot_code_id[1] != 0) {
+ /* DSP 1 is a C6713 */
+ /* CLKX0 <- '1' release the C6205 bootmode pulldowns */
+ boot_loader_write_mem32(pao, 0, 0x018C0024, 0x00002202);
+ hpios_delay_micro_seconds(100);
+ /* Reset the 6713 #1 - revB */
+ boot_loader_write_mem32(pao, 0, C6205_BAR0_TIMER1_CTL, 0);
+ /* value of bit 3 is unknown after DSP reset, other bits shoudl be 0 */
+ if (0 != (boot_loader_read_mem32(pao, 0,
+ (C6205_BAR0_TIMER1_CTL)) & ~8))
+ return HPI6205_ERROR_6205_REG;
+ hpios_delay_micro_seconds(100);
+
+ /* Release C6713 from reset - revB */
+ boot_loader_write_mem32(pao, 0, C6205_BAR0_TIMER1_CTL, 4);
+ if (4 != (boot_loader_read_mem32(pao, 0,
+ (C6205_BAR0_TIMER1_CTL)) & ~8))
+ return HPI6205_ERROR_6205_REG;
+ hpios_delay_micro_seconds(100);
+ }
+
+ for (dsp = 0; dsp < HPI6205_MAX_FILES_TO_LOAD; dsp++) {
+ /* is there a DSP to load? */
+ if (boot_code_id[dsp] == 0)
+ continue;
+
+ err = boot_loader_config_emif(pao, dsp);
+ if (err)
+ return err;
+
+ err = boot_loader_test_internal_memory(pao, dsp);
+ if (err)
+ return err;
+
+ err = boot_loader_test_external_memory(pao, dsp);
+ if (err)
+ return err;
+
+ err = boot_loader_test_pld(pao, dsp);
+ if (err)
+ return err;
+
+ /* write the DSP code down into the DSPs memory */
+ err = hpi_dsp_code_open(boot_code_id[dsp], pao->pci.pci_dev,
+ &dsp_code, pos_error_code);
+ if (err)
+ return err;
+
+ while (1) {
+ u32 length;
+ u32 address;
+ u32 type;
+ u32 *pcode;
+
+ err = hpi_dsp_code_read_word(&dsp_code, &length);
+ if (err)
+ break;
+ if (length == 0xFFFFFFFF)
+ break; /* end of code */
+
+ err = hpi_dsp_code_read_word(&dsp_code, &address);
+ if (err)
+ break;
+ err = hpi_dsp_code_read_word(&dsp_code, &type);
+ if (err)
+ break;
+ err = hpi_dsp_code_read_block(length, &dsp_code,
+ &pcode);
+ if (err)
+ break;
+ for (i = 0; i < (int)length; i++) {
+ boot_loader_write_mem32(pao, dsp, address,
+ *pcode);
+ /* dummy read every 4 words */
+ /* for 6205 advisory 1.4.4 */
+ if (i % 4 == 0)
+ boot_loader_read_mem32(pao, dsp,
+ address);
+ pcode++;
+ address += 4;
+ }
+
+ }
+ if (err) {
+ hpi_dsp_code_close(&dsp_code);
+ return err;
+ }
+
+ /* verify code */
+ hpi_dsp_code_rewind(&dsp_code);
+ while (1) {
+ u32 length = 0;
+ u32 address = 0;
+ u32 type = 0;
+ u32 *pcode = NULL;
+ u32 data = 0;
+
+ hpi_dsp_code_read_word(&dsp_code, &length);
+ if (length == 0xFFFFFFFF)
+ break; /* end of code */
+
+ hpi_dsp_code_read_word(&dsp_code, &address);
+ hpi_dsp_code_read_word(&dsp_code, &type);
+ hpi_dsp_code_read_block(length, &dsp_code, &pcode);
+
+ for (i = 0; i < (int)length; i++) {
+ data = boot_loader_read_mem32(pao, dsp,
+ address);
+ if (data != *pcode) {
+ err = 0;
+ break;
+ }
+ pcode++;
+ address += 4;
+ }
+ if (err)
+ break;
+ }
+ hpi_dsp_code_close(&dsp_code);
+ if (err)
+ return err;
+ }
+
+ /* After bootloading all DSPs, start DSP0 running
+ * The DSP0 code will handle starting and synchronizing with its slaves
+ */
+ if (phw->p_interface_buffer) {
+ /* we need to tell the card the physical PCI address */
+ u32 physicalPC_iaddress;
+ struct bus_master_interface *interface =
+ phw->p_interface_buffer;
+ u32 host_mailbox_address_on_dsp;
+ u32 physicalPC_iaddress_verify = 0;
+ int time_out = 10;
+ /* set ack so we know when DSP is ready to go */
+ /* (dwDspAck will be changed to HIF_RESET) */
+ interface->dsp_ack = H620_HIF_UNKNOWN;
+ wmb(); /* ensure ack is written before dsp writes back */
+
+ err = hpios_locked_mem_get_phys_addr(&phw->h_locked_mem,
+ &physicalPC_iaddress);
+
+ /* locate the host mailbox on the DSP. */
+ host_mailbox_address_on_dsp = 0x80000000;
+ while ((physicalPC_iaddress != physicalPC_iaddress_verify)
+ && time_out--) {
+ boot_loader_write_mem32(pao, 0,
+ host_mailbox_address_on_dsp,
+ physicalPC_iaddress);
+ physicalPC_iaddress_verify =
+ boot_loader_read_mem32(pao, 0,
+ host_mailbox_address_on_dsp);
+ }
+ }
+ HPI_DEBUG_LOG(DEBUG, "starting DS_ps running\n");
+ /* enable interrupts */
+ temp = ioread32(phw->prHSR);
+ temp &= ~(u32)C6205_HSR_INTAM;
+ iowrite32(temp, phw->prHSR);
+
+ /* start code running... */
+ temp = ioread32(phw->prHDCR);
+ temp |= (u32)C6205_HDCR_DSPINT;
+ iowrite32(temp, phw->prHDCR);
+
+ /* give the DSP 10ms to start up */
+ hpios_delay_micro_seconds(10000);
+ return err;
+
+}
+
+/*****************************************************************************/
+/* Bootloader utility functions */
+
+static u32 boot_loader_read_mem32(struct hpi_adapter_obj *pao, int dsp_index,
+ u32 address)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ u32 data = 0;
+ __iomem u32 *p_data;
+
+ if (dsp_index == 0) {
+ /* DSP 0 is always C6205 */
+ if ((address >= 0x01800000) & (address < 0x02000000)) {
+ /* BAR1 register access */
+ p_data = pao->pci.ap_mem_base[1] +
+ (address & 0x007fffff) /
+ sizeof(*pao->pci.ap_mem_base[1]);
+ /* HPI_DEBUG_LOG(WARNING,
+ "BAR1 access %08x\n", dwAddress); */
+ } else {
+ u32 dw4M_page = address >> 22L;
+ if (dw4M_page != phw->dsp_page) {
+ phw->dsp_page = dw4M_page;
+ /* *INDENT OFF* */
+ iowrite32(phw->dsp_page, phw->prDSPP);
+ /* *INDENT-ON* */
+ }
+ address &= 0x3fffff; /* address within 4M page */
+ /* BAR0 memory access */
+ p_data = pao->pci.ap_mem_base[0] +
+ address / sizeof(u32);
+ }
+ data = ioread32(p_data);
+ } else if (dsp_index == 1) {
+ /* DSP 1 is a C6713 */
+ u32 lsb;
+ boot_loader_write_mem32(pao, 0, HPIAL_ADDR, address);
+ boot_loader_write_mem32(pao, 0, HPIAH_ADDR, address >> 16);
+ lsb = boot_loader_read_mem32(pao, 0, HPIDL_ADDR);
+ data = boot_loader_read_mem32(pao, 0, HPIDH_ADDR);
+ data = (data << 16) | (lsb & 0xFFFF);
+ }
+ return data;
+}
+
+static void boot_loader_write_mem32(struct hpi_adapter_obj *pao,
+ int dsp_index, u32 address, u32 data)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ __iomem u32 *p_data;
+ /* u32 dwVerifyData=0; */
+
+ if (dsp_index == 0) {
+ /* DSP 0 is always C6205 */
+ if ((address >= 0x01800000) & (address < 0x02000000)) {
+ /* BAR1 - DSP register access using */
+ /* Non-prefetchable PCI access */
+ p_data = pao->pci.ap_mem_base[1] +
+ (address & 0x007fffff) /
+ sizeof(*pao->pci.ap_mem_base[1]);
+ } else {
+ /* BAR0 access - all of DSP memory using */
+ /* pre-fetchable PCI access */
+ u32 dw4M_page = address >> 22L;
+ if (dw4M_page != phw->dsp_page) {
+ phw->dsp_page = dw4M_page;
+ /* *INDENT-OFF* */
+ iowrite32(phw->dsp_page, phw->prDSPP);
+ /* *INDENT-ON* */
+ }
+ address &= 0x3fffff; /* address within 4M page */
+ p_data = pao->pci.ap_mem_base[0] +
+ address / sizeof(u32);
+ }
+ iowrite32(data, p_data);
+ } else if (dsp_index == 1) {
+ /* DSP 1 is a C6713 */
+ boot_loader_write_mem32(pao, 0, HPIAL_ADDR, address);
+ boot_loader_write_mem32(pao, 0, HPIAH_ADDR, address >> 16);
+
+ /* dummy read every 4 words for 6205 advisory 1.4.4 */
+ boot_loader_read_mem32(pao, 0, 0);
+
+ boot_loader_write_mem32(pao, 0, HPIDL_ADDR, data);
+ boot_loader_write_mem32(pao, 0, HPIDH_ADDR, data >> 16);
+
+ /* dummy read every 4 words for 6205 advisory 1.4.4 */
+ boot_loader_read_mem32(pao, 0, 0);
+ }
+}
+
+static u16 boot_loader_config_emif(struct hpi_adapter_obj *pao, int dsp_index)
+{
+ if (dsp_index == 0) {
+ u32 setting;
+
+ /* DSP 0 is always C6205 */
+
+ /* Set the EMIF */
+ /* memory map of C6205 */
+ /* 00000000-0000FFFF 16Kx32 internal program */
+ /* 00400000-00BFFFFF CE0 2Mx32 SDRAM running @ 100MHz */
+
+ /* EMIF config */
+ /*------------ */
+ /* Global EMIF control */
+ boot_loader_write_mem32(pao, dsp_index, 0x01800000, 0x3779);
+#define WS_OFS 28
+#define WST_OFS 22
+#define WH_OFS 20
+#define RS_OFS 16
+#define RST_OFS 8
+#define MTYPE_OFS 4
+#define RH_OFS 0
+
+ /* EMIF CE0 setup - 2Mx32 Sync DRAM on ASI5000 cards only */
+ setting = 0x00000030;
+ boot_loader_write_mem32(pao, dsp_index, 0x01800008, setting);
+ if (setting != boot_loader_read_mem32(pao, dsp_index,
+ 0x01800008))
+ return HPI6205_ERROR_DSP_EMIF1;
+
+ /* EMIF CE1 setup - 32 bit async. This is 6713 #1 HPI, */
+ /* which occupies D15..0. 6713 starts at 27MHz, so need */
+ /* plenty of wait states. See dsn8701.rtf, and 6713 errata. */
+ /* WST should be 71, but 63 is max possible */
+ setting =
+ (1L << WS_OFS) | (63L << WST_OFS) | (1L << WH_OFS) |
+ (1L << RS_OFS) | (63L << RST_OFS) | (1L << RH_OFS) |
+ (2L << MTYPE_OFS);
+ boot_loader_write_mem32(pao, dsp_index, 0x01800004, setting);
+ if (setting != boot_loader_read_mem32(pao, dsp_index,
+ 0x01800004))
+ return HPI6205_ERROR_DSP_EMIF2;
+
+ /* EMIF CE2 setup - 32 bit async. This is 6713 #2 HPI, */
+ /* which occupies D15..0. 6713 starts at 27MHz, so need */
+ /* plenty of wait states */
+ setting =
+ (1L << WS_OFS) | (28L << WST_OFS) | (1L << WH_OFS) |
+ (1L << RS_OFS) | (63L << RST_OFS) | (1L << RH_OFS) |
+ (2L << MTYPE_OFS);
+ boot_loader_write_mem32(pao, dsp_index, 0x01800010, setting);
+ if (setting != boot_loader_read_mem32(pao, dsp_index,
+ 0x01800010))
+ return HPI6205_ERROR_DSP_EMIF3;
+
+ /* EMIF CE3 setup - 32 bit async. */
+ /* This is the PLD on the ASI5000 cards only */
+ setting =
+ (1L << WS_OFS) | (10L << WST_OFS) | (1L << WH_OFS) |
+ (1L << RS_OFS) | (10L << RST_OFS) | (1L << RH_OFS) |
+ (2L << MTYPE_OFS);
+ boot_loader_write_mem32(pao, dsp_index, 0x01800014, setting);
+ if (setting != boot_loader_read_mem32(pao, dsp_index,
+ 0x01800014))
+ return HPI6205_ERROR_DSP_EMIF4;
+
+ /* set EMIF SDRAM control for 2Mx32 SDRAM (512x32x4 bank) */
+ /* need to use this else DSP code crashes? */
+ boot_loader_write_mem32(pao, dsp_index, 0x01800018,
+ 0x07117000);
+
+ /* EMIF SDRAM Refresh Timing */
+ /* EMIF SDRAM timing (orig = 0x410, emulator = 0x61a) */
+ boot_loader_write_mem32(pao, dsp_index, 0x0180001C,
+ 0x00000410);
+
+ } else if (dsp_index == 1) {
+ /* test access to the C6713s HPI registers */
+ u32 write_data = 0, read_data = 0, i = 0;
+
+ /* Set up HPIC for little endian, by setiing HPIC:HWOB=1 */
+ write_data = 1;
+ boot_loader_write_mem32(pao, 0, HPICL_ADDR, write_data);
+ boot_loader_write_mem32(pao, 0, HPICH_ADDR, write_data);
+ /* C67 HPI is on lower 16bits of 32bit EMIF */
+ read_data =
+ 0xFFF7 & boot_loader_read_mem32(pao, 0, HPICL_ADDR);
+ if (write_data != read_data) {
+ HPI_DEBUG_LOG(ERROR, "HPICL %x %x\n", write_data,
+ read_data);
+ return HPI6205_ERROR_C6713_HPIC;
+ }
+ /* HPIA - walking ones test */
+ write_data = 1;
+ for (i = 0; i < 32; i++) {
+ boot_loader_write_mem32(pao, 0, HPIAL_ADDR,
+ write_data);
+ boot_loader_write_mem32(pao, 0, HPIAH_ADDR,
+ (write_data >> 16));
+ read_data =
+ 0xFFFF & boot_loader_read_mem32(pao, 0,
+ HPIAL_ADDR);
+ read_data =
+ read_data | ((0xFFFF &
+ boot_loader_read_mem32(pao, 0,
+ HPIAH_ADDR))
+ << 16);
+ if (read_data != write_data) {
+ HPI_DEBUG_LOG(ERROR, "HPIA %x %x\n",
+ write_data, read_data);
+ return HPI6205_ERROR_C6713_HPIA;
+ }
+ write_data = write_data << 1;
+ }
+
+ /* setup C67x PLL
+ * ** C6713 datasheet says we cannot program PLL from HPI,
+ * and indeed if we try to set the PLL multiply from the HPI,
+ * the PLL does not seem to lock, so we enable the PLL and
+ * use the default multiply of x 7, which for a 27MHz clock
+ * gives a DSP speed of 189MHz
+ */
+ /* bypass PLL */
+ boot_loader_write_mem32(pao, dsp_index, 0x01B7C100, 0x0000);
+ hpios_delay_micro_seconds(1000);
+ /* EMIF = 189/3=63MHz */
+ boot_loader_write_mem32(pao, dsp_index, 0x01B7C120, 0x8002);
+ /* peri = 189/2 */
+ boot_loader_write_mem32(pao, dsp_index, 0x01B7C11C, 0x8001);
+ /* cpu = 189/1 */
+ boot_loader_write_mem32(pao, dsp_index, 0x01B7C118, 0x8000);
+ hpios_delay_micro_seconds(1000);
+ /* ** SGT test to take GPO3 high when we start the PLL */
+ /* and low when the delay is completed */
+ /* FSX0 <- '1' (GPO3) */
+ boot_loader_write_mem32(pao, 0, (0x018C0024L), 0x00002A0A);
+ /* PLL not bypassed */
+ boot_loader_write_mem32(pao, dsp_index, 0x01B7C100, 0x0001);
+ hpios_delay_micro_seconds(1000);
+ /* FSX0 <- '0' (GPO3) */
+ boot_loader_write_mem32(pao, 0, (0x018C0024L), 0x00002A02);
+
+ /* 6205 EMIF CE1 resetup - 32 bit async. */
+ /* Now 6713 #1 is running at 189MHz can reduce waitstates */
+ boot_loader_write_mem32(pao, 0, 0x01800004, /* CE1 */
+ (1L << WS_OFS) | (8L << WST_OFS) | (1L << WH_OFS) |
+ (1L << RS_OFS) | (12L << RST_OFS) | (1L << RH_OFS) |
+ (2L << MTYPE_OFS));
+
+ hpios_delay_micro_seconds(1000);
+
+ /* check that we can read one of the PLL registers */
+ /* PLL should not be bypassed! */
+ if ((boot_loader_read_mem32(pao, dsp_index, 0x01B7C100) & 0xF)
+ != 0x0001) {
+ return HPI6205_ERROR_C6713_PLL;
+ }
+ /* setup C67x EMIF (note this is the only use of
+ BAR1 via BootLoader_WriteMem32) */
+ boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_GCTL,
+ 0x000034A8);
+
+ /* EMIF CE0 setup - 2Mx32 Sync DRAM
+ 31..28 Wr setup
+ 27..22 Wr strobe
+ 21..20 Wr hold
+ 19..16 Rd setup
+ 15..14 -
+ 13..8 Rd strobe
+ 7..4 MTYPE 0011 Sync DRAM 32bits
+ 3 Wr hold MSB
+ 2..0 Rd hold
+ */
+ boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_CE0,
+ 0x00000030);
+
+ /* EMIF SDRAM Extension
+ 0x00
+ 31-21 0000b 0000b 000b
+ 20 WR2RD = 2cycles-1 = 1b
+
+ 19-18 WR2DEAC = 3cycle-1 = 10b
+ 17 WR2WR = 2cycle-1 = 1b
+ 16-15 R2WDQM = 4cycle-1 = 11b
+ 14-12 RD2WR = 6cycles-1 = 101b
+
+ 11-10 RD2DEAC = 4cycle-1 = 11b
+ 9 RD2RD = 2cycle-1 = 1b
+ 8-7 THZP = 3cycle-1 = 10b
+ 6-5 TWR = 2cycle-1 = 01b (tWR = 17ns)
+ 4 TRRD = 2cycle = 0b (tRRD = 14ns)
+ 3-1 TRAS = 5cycle-1 = 100b (Tras=42ns)
+ 1 CAS latency = 3cyc = 1b
+ (for Micron 2M32-7 operating at 100MHz)
+ */
+ boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_SDRAMEXT,
+ 0x001BDF29);
+
+ /* EMIF SDRAM control - set up for a 2Mx32 SDRAM (512x32x4 bank)
+ 31 - 0b -
+ 30 SDBSZ 1b 4 bank
+ 29..28 SDRSZ 00b 11 row address pins
+
+ 27..26 SDCSZ 01b 8 column address pins
+ 25 RFEN 1b refersh enabled
+ 24 INIT 1b init SDRAM!
+
+ 23..20 TRCD 0001b (Trcd/Tcyc)-1 = (20/10)-1 = 1
+
+ 19..16 TRP 0001b (Trp/Tcyc)-1 = (20/10)-1 = 1
+
+ 15..12 TRC 0110b (Trc/Tcyc)-1 = (70/10)-1 = 6
+
+ 11..0 - 0000b 0000b 0000b
+ */
+ boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_SDRAMCTL,
+ 0x47116000);
+
+ /* SDRAM refresh timing
+ Need 4,096 refresh cycles every 64ms = 15.625us = 1562cycles of 100MHz = 0x61A
+ */
+ boot_loader_write_mem32(pao, dsp_index,
+ C6713_EMIF_SDRAMTIMING, 0x00000410);
+
+ hpios_delay_micro_seconds(1000);
+ } else if (dsp_index == 2) {
+ /* DSP 2 is a C6713 */
+ }
+
+ return 0;
+}
+
+static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
+ u32 start_address, u32 length)
+{
+ u32 i = 0, j = 0;
+ u32 test_addr = 0;
+ u32 test_data = 0, data = 0;
+
+ length = 1000;
+
+ /* for 1st word, test each bit in the 32bit word, */
+ /* dwLength specifies number of 32bit words to test */
+ /*for(i=0; i<dwLength; i++) */
+ i = 0;
+ {
+ test_addr = start_address + i * 4;
+ test_data = 0x00000001;
+ for (j = 0; j < 32; j++) {
+ boot_loader_write_mem32(pao, dsp_index, test_addr,
+ test_data);
+ data = boot_loader_read_mem32(pao, dsp_index,
+ test_addr);
+ if (data != test_data) {
+ HPI_DEBUG_LOG(VERBOSE,
+ "Memtest error details "
+ "%08x %08x %08x %i\n", test_addr,
+ test_data, data, dsp_index);
+ return 1; /* error */
+ }
+ test_data = test_data << 1;
+ } /* for(j) */
+ } /* for(i) */
+
+ /* for the next 100 locations test each location, leaving it as zero */
+ /* write a zero to the next word in memory before we read */
+ /* the previous write to make sure every memory location is unique */
+ for (i = 0; i < 100; i++) {
+ test_addr = start_address + i * 4;
+ test_data = 0xA5A55A5A;
+ boot_loader_write_mem32(pao, dsp_index, test_addr, test_data);
+ boot_loader_write_mem32(pao, dsp_index, test_addr + 4, 0);
+ data = boot_loader_read_mem32(pao, dsp_index, test_addr);
+ if (data != test_data) {
+ HPI_DEBUG_LOG(VERBOSE,
+ "Memtest error details "
+ "%08x %08x %08x %i\n", test_addr, test_data,
+ data, dsp_index);
+ return 1; /* error */
+ }
+ /* leave location as zero */
+ boot_loader_write_mem32(pao, dsp_index, test_addr, 0x0);
+ }
+
+ /* zero out entire memory block */
+ for (i = 0; i < length; i++) {
+ test_addr = start_address + i * 4;
+ boot_loader_write_mem32(pao, dsp_index, test_addr, 0x0);
+ }
+ return 0;
+}
+
+static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao,
+ int dsp_index)
+{
+ int err = 0;
+ if (dsp_index == 0) {
+ /* DSP 0 is a C6205 */
+ /* 64K prog mem */
+ err = boot_loader_test_memory(pao, dsp_index, 0x00000000,
+ 0x10000);
+ if (!err)
+ /* 64K data mem */
+ err = boot_loader_test_memory(pao, dsp_index,
+ 0x80000000, 0x10000);
+ } else if (dsp_index == 1) {
+ /* DSP 1 is a C6713 */
+ /* 192K internal mem */
+ err = boot_loader_test_memory(pao, dsp_index, 0x00000000,
+ 0x30000);
+ if (!err)
+ /* 64K internal mem / L2 cache */
+ err = boot_loader_test_memory(pao, dsp_index,
+ 0x00030000, 0x10000);
+ }
+
+ if (err)
+ return HPI6205_ERROR_DSP_INTMEM;
+ else
+ return 0;
+}
+
+static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao,
+ int dsp_index)
+{
+ u32 dRAM_start_address = 0;
+ u32 dRAM_size = 0;
+
+ if (dsp_index == 0) {
+ /* only test for SDRAM if an ASI5000 card */
+ if (pao->pci.pci_dev->subsystem_device == 0x5000) {
+ /* DSP 0 is always C6205 */
+ dRAM_start_address = 0x00400000;
+ dRAM_size = 0x200000;
+ /*dwDRAMinc=1024; */
+ } else
+ return 0;
+ } else if (dsp_index == 1) {
+ /* DSP 1 is a C6713 */
+ dRAM_start_address = 0x80000000;
+ dRAM_size = 0x200000;
+ /*dwDRAMinc=1024; */
+ }
+
+ if (boot_loader_test_memory(pao, dsp_index, dRAM_start_address,
+ dRAM_size))
+ return HPI6205_ERROR_DSP_EXTMEM;
+ return 0;
+}
+
+static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index)
+{
+ u32 data = 0;
+ if (dsp_index == 0) {
+ /* only test for DSP0 PLD on ASI5000 card */
+ if (pao->pci.pci_dev->subsystem_device == 0x5000) {
+ /* PLD is located at CE3=0x03000000 */
+ data = boot_loader_read_mem32(pao, dsp_index,
+ 0x03000008);
+ if ((data & 0xF) != 0x5)
+ return HPI6205_ERROR_DSP_PLD;
+ data = boot_loader_read_mem32(pao, dsp_index,
+ 0x0300000C);
+ if ((data & 0xF) != 0xA)
+ return HPI6205_ERROR_DSP_PLD;
+ }
+ } else if (dsp_index == 1) {
+ /* DSP 1 is a C6713 */
+ if (pao->pci.pci_dev->subsystem_device == 0x8700) {
+ /* PLD is located at CE1=0x90000000 */
+ data = boot_loader_read_mem32(pao, dsp_index,
+ 0x90000010);
+ if ((data & 0xFF) != 0xAA)
+ return HPI6205_ERROR_DSP_PLD;
+ /* 8713 - LED on */
+ boot_loader_write_mem32(pao, dsp_index, 0x90000000,
+ 0x02);
+ }
+ }
+ return 0;
+}
+
+/** Transfer data to or from DSP
+ nOperation = H620_H620_HIF_SEND_DATA or H620_HIF_GET_DATA
+*/
+static short hpi6205_transfer_data(struct hpi_adapter_obj *pao, u8 *p_data,
+ u32 data_size, int operation)
+{
+ struct hpi_hw_obj *phw = pao->priv;
+ u32 data_transferred = 0;
+ u16 err = 0;
+ u32 temp2;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+
+ if (!p_data)
+ return HPI_ERROR_INVALID_DATA_POINTER;
+
+ data_size &= ~3L; /* round data_size down to nearest 4 bytes */
+
+ /* make sure state is IDLE */
+ if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT))
+ return HPI_ERROR_DSP_HARDWARE;
+
+ while (data_transferred < data_size) {
+ u32 this_copy = data_size - data_transferred;
+
+ if (this_copy > HPI6205_SIZEOF_DATA)
+ this_copy = HPI6205_SIZEOF_DATA;
+
+ if (operation == H620_HIF_SEND_DATA)
+ memcpy((void *)&interface->u.b_data[0],
+ &p_data[data_transferred], this_copy);
+
+ interface->transfer_size_in_bytes = this_copy;
+
+ /* DSP must change this back to nOperation */
+ interface->dsp_ack = H620_HIF_IDLE;
+ send_dsp_command(phw, operation);
+
+ temp2 = wait_dsp_ack(phw, operation, HPI6205_TIMEOUT);
+ HPI_DEBUG_LOG(DEBUG, "spun %d times for data xfer of %d\n",
+ HPI6205_TIMEOUT - temp2, this_copy);
+
+ if (!temp2) {
+ /* timed out */
+ HPI_DEBUG_LOG(ERROR,
+ "Timed out waiting for " "state %d got %d\n",
+ operation, interface->dsp_ack);
+
+ break;
+ }
+ if (operation == H620_HIF_GET_DATA)
+ memcpy(&p_data[data_transferred],
+ (void *)&interface->u.b_data[0], this_copy);
+
+ data_transferred += this_copy;
+ }
+ if (interface->dsp_ack != operation)
+ HPI_DEBUG_LOG(DEBUG, "interface->dsp_ack=%d, expected %d\n",
+ interface->dsp_ack, operation);
+ /* err=HPI_ERROR_DSP_HARDWARE; */
+
+ send_dsp_command(phw, H620_HIF_IDLE);
+
+ return err;
+}
+
+/* wait for up to timeout_us microseconds for the DSP
+ to signal state by DMA into dwDspAck
+*/
+static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us)
+{
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ int t = timeout_us / 4;
+
+ rmb(); /* ensure interface->dsp_ack is up to date */
+ while ((interface->dsp_ack != state) && --t) {
+ hpios_delay_micro_seconds(4);
+ rmb(); /* DSP changes dsp_ack by DMA */
+ }
+
+ /*HPI_DEBUG_LOG(VERBOSE, "Spun %d for %d\n", timeout_us/4-t, state); */
+ return t * 4;
+}
+
+/* set the busmaster interface to cmd, then interrupt the DSP */
+static void send_dsp_command(struct hpi_hw_obj *phw, int cmd)
+{
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ u32 r;
+
+ interface->host_cmd = cmd;
+ wmb(); /* DSP gets state by DMA, make sure it is written to memory */
+ /* before we interrupt the DSP */
+ r = ioread32(phw->prHDCR);
+ r |= (u32)C6205_HDCR_DSPINT;
+ iowrite32(r, phw->prHDCR);
+ r &= ~(u32)C6205_HDCR_DSPINT;
+ iowrite32(r, phw->prHDCR);
+}
+
+static unsigned int message_count;
+
+static u16 message_response_sequence(struct hpi_adapter_obj *pao,
+ struct hpi_message *phm, struct hpi_response *phr)
+{
+ u32 time_out, time_out2;
+ struct hpi_hw_obj *phw = pao->priv;
+ struct bus_master_interface *interface = phw->p_interface_buffer;
+ u16 err = 0;
+
+ message_count++;
+ if (phm->size > sizeof(interface->u.message_buffer)) {
+ phr->error = HPI_ERROR_MESSAGE_BUFFER_TOO_SMALL;
+ phr->specific_error = sizeof(interface->u.message_buffer);
+ phr->size = sizeof(struct hpi_response_header);
+ HPI_DEBUG_LOG(ERROR,
+ "message len %d too big for buffer %zd \n", phm->size,
+ sizeof(interface->u.message_buffer));
+ return 0;
+ }
+
+ /* Assume buffer of type struct bus_master_interface_62
+ is allocated "noncacheable" */
+
+ if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT)) {
+ HPI_DEBUG_LOG(DEBUG, "timeout waiting for idle\n");
+ return HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT;
+ }
+
+ memcpy(&interface->u.message_buffer, phm, phm->size);
+ /* signal we want a response */
+ send_dsp_command(phw, H620_HIF_GET_RESP);
+
+ time_out2 = wait_dsp_ack(phw, H620_HIF_GET_RESP, HPI6205_TIMEOUT);
+
+ if (!time_out2) {
+ HPI_DEBUG_LOG(ERROR,
+ "(%u) Timed out waiting for " "GET_RESP state [%x]\n",
+ message_count, interface->dsp_ack);
+ } else {
+ HPI_DEBUG_LOG(VERBOSE,
+ "(%u) transition to GET_RESP after %u\n",
+ message_count, HPI6205_TIMEOUT - time_out2);
+ }
+ /* spin waiting on HIF interrupt flag (end of msg process) */
+ time_out = HPI6205_TIMEOUT;
+
+ /* read the result */
+ if (time_out) {
+ if (interface->u.response_buffer.response.size <= phr->size)
+ memcpy(phr, &interface->u.response_buffer,
+ interface->u.response_buffer.response.size);
+ else {
+ HPI_DEBUG_LOG(ERROR,
+ "response len %d too big for buffer %d\n",
+ interface->u.response_buffer.response.size,
+ phr->size);
+ memcpy(phr, &interface->u.response_buffer,
+ sizeof(struct hpi_response_header));
+ phr->error = HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL;
+ phr->specific_error =
+ interface->u.response_buffer.response.size;
+ phr->size = sizeof(struct hpi_response_header);
+ }
+ }
+ /* set interface back to idle */
+ send_dsp_command(phw, H620_HIF_IDLE);
+
+ if (!time_out || !time_out2) {
+ HPI_DEBUG_LOG(DEBUG, "something timed out!\n");
+ return HPI6205_ERROR_MSG_RESP_TIMEOUT;
+ }
+ /* special case for adapter close - */
+ /* wait for the DSP to indicate it is idle */
+ if (phm->function == HPI_ADAPTER_CLOSE) {
+ if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT)) {
+ HPI_DEBUG_LOG(DEBUG,
+ "Timeout waiting for idle "
+ "(on adapter_close)\n");
+ return HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT;
+ }
+ }
+ err = hpi_validate_response(phm, phr);
+ return err;
+}
+
+static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
+ struct hpi_response *phr)
+{
+
+ u16 err = 0;
+
+ hpios_dsplock_lock(pao);
+
+ err = message_response_sequence(pao, phm, phr);
+
+ /* maybe an error response */
+ if (err) {
+ /* something failed in the HPI/DSP interface */
+ if (err >= HPI_ERROR_BACKEND_BASE) {
+ phr->error = HPI_ERROR_DSP_COMMUNICATION;
+ phr->specific_error = err;
+ } else {
+ phr->error = err;
+ }
+
+ pao->dsp_crashed++;
+
+ /* just the header of the response is valid */
+ phr->size = sizeof(struct hpi_response_header);
+ goto err;
+ } else
+ pao->dsp_crashed = 0;
+
+ if (phr->error != 0) /* something failed in the DSP */
+ goto err;
+
+ switch (phm->function) {
+ case HPI_OSTREAM_WRITE:
+ case HPI_ISTREAM_ANC_WRITE:
+ err = hpi6205_transfer_data(pao, phm->u.d.u.data.pb_data,
+ phm->u.d.u.data.data_size, H620_HIF_SEND_DATA);
+ break;
+
+ case HPI_ISTREAM_READ:
+ case HPI_OSTREAM_ANC_READ:
+ err = hpi6205_transfer_data(pao, phm->u.d.u.data.pb_data,
+ phm->u.d.u.data.data_size, H620_HIF_GET_DATA);
+ break;
+
+ }
+ phr->error = err;
+
+err:
+ hpios_dsplock_unlock(pao);
+
+ return;
+}
Code Review / kvmfornfv.git / blobdiff