/*
* ======== bridge_dev_create ========
* Creates a driver object. Puts DSP in self loop.
*/
static int bridge_dev_create(struct bridge_dev_context
**dev_cntxt,
struct dev_object *hdev_obj,
struct cfg_hostres *config_param)
{
int status = 0;
struct bridge_dev_context *dev_context = NULL;
s32 entry_ndx;
struct cfg_hostres *resources = config_param;
struct drv_data *drv_datap = dev_get_drvdata(bridge);
/* Allocate and initialize a data structure to contain the bridge driver
* state, which becomes the context for later calls into this driver */
dev_context = kzalloc(sizeof(struct bridge_dev_context), GFP_KERNEL);
if (!dev_context) {
status = -ENOMEM;
goto func_end;
}
dev_context->dw_dsp_start_add = (u32) OMAP_GEM_BASE;
dev_context->dw_self_loop = (u32) NULL;
dev_context->dsp_per_clks = 0;
dev_context->dw_internal_size = OMAP_DSP_SIZE;
/* Clear dev context MMU table entries.
* These get set on bridge_io_on_loaded() call after program loaded. */
for (entry_ndx = 0; entry_ndx < BRDIOCTL_NUMOFMMUTLB; entry_ndx++) {
dev_context->atlb_entry[entry_ndx].ul_gpp_pa =
dev_context->atlb_entry[entry_ndx].ul_dsp_va = 0;
}
dev_context->dw_dsp_base_addr = (u32) MEM_LINEAR_ADDRESS((void *)
(config_param->
dw_mem_base
[3]),
config_param->
dw_mem_length
[3]);
if (!dev_context->dw_dsp_base_addr)
status = -EPERM;
if (!status) {
dev_context->tc_word_swap_on = drv_datap->tc_wordswapon;
dev_context->hdev_obj = hdev_obj;
/* Store current board state. */
dev_context->dw_brd_state = BRD_UNKNOWN;
dev_context->resources = resources;
dsp_clk_enable(DSP_CLK_IVA2);
bridge_brd_stop(dev_context);
/* Return ptr to our device state to the DSP API for storage */
*dev_cntxt = dev_context;
} else {
kfree(dev_context);
}
func_end:
return status;
}
/*
* ======== write_dsp_data ========
* purpose:
* Copies buffers to the DSP internal/external memory.
*/
int write_dsp_data(struct bridge_dev_context *dev_context,
u8 *host_buff, u32 dsp_addr, u32 ul_num_bytes,
u32 mem_type)
{
u32 offset;
u32 dw_base_addr = dev_context->dsp_base_addr;
struct cfg_hostres *resources = dev_context->resources;
int status = 0;
u32 base1, base2, base3;
base1 = OMAP_DSP_MEM1_SIZE;
base2 = OMAP_DSP_MEM2_BASE - OMAP_DSP_MEM1_BASE;
base3 = OMAP_DSP_MEM3_BASE - OMAP_DSP_MEM1_BASE;
if (!resources)
return -EPERM;
offset = dsp_addr - dev_context->dsp_start_add;
if (offset < base1) {
dw_base_addr = MEM_LINEAR_ADDRESS(resources->mem_base[2],
resources->mem_length[2]);
} else if (offset > base1 && offset < base2 + OMAP_DSP_MEM2_SIZE) {
dw_base_addr = MEM_LINEAR_ADDRESS(resources->mem_base[3],
resources->mem_length[3]);
offset = offset - base2;
} else if (offset >= base2 + OMAP_DSP_MEM2_SIZE &&
offset < base3 + OMAP_DSP_MEM3_SIZE) {
dw_base_addr = MEM_LINEAR_ADDRESS(resources->mem_base[4],
resources->mem_length[4]);
offset = offset - base3;
} else {
return -EPERM;
}
if (ul_num_bytes)
memcpy((u8 *) (dw_base_addr + offset), host_buff, ul_num_bytes);
else
*((u32 *) host_buff) = dw_base_addr + offset;
return status;
}
/*
* ======== write_dsp_data ========
* purpose:
* Copies buffers to the DSP internal/external memory.
*/
int write_dsp_data(struct wmd_dev_context *hDevContext,
IN u8 *pbHostBuf, u32 dwDSPAddr, u32 ul_num_bytes,
u32 ulMemType)
{
u32 offset;
u32 dw_base_addr = hDevContext->dw_dsp_base_addr;
struct cfg_hostres *resources = hDevContext->resources;
int status = 0;
u32 base1, base2, base3;
base1 = OMAP_DSP_MEM1_SIZE;
base2 = OMAP_DSP_MEM2_BASE - OMAP_DSP_MEM1_BASE;
base3 = OMAP_DSP_MEM3_BASE - OMAP_DSP_MEM1_BASE;
if (!resources)
return -EPERM;
offset = dwDSPAddr - hDevContext->dw_dsp_start_add;
if (offset < base1) {
dw_base_addr = MEM_LINEAR_ADDRESS(resources->dw_mem_base[2],
resources->dw_mem_length[2]);
} else if (offset > base1 && offset < base2 + OMAP_DSP_MEM2_SIZE) {
dw_base_addr = MEM_LINEAR_ADDRESS(resources->dw_mem_base[3],
resources->dw_mem_length[3]);
offset = offset - base2;
} else if (offset >= base2 + OMAP_DSP_MEM2_SIZE &&
offset < base3 + OMAP_DSP_MEM3_SIZE) {
dw_base_addr = MEM_LINEAR_ADDRESS(resources->dw_mem_base[4],
resources->dw_mem_length[4]);
offset = offset - base3;
} else {
return -EPERM;
}
if (ul_num_bytes)
memcpy((u8 *) (dw_base_addr + offset), pbHostBuf, ul_num_bytes);
else
*((u32 *) pbHostBuf) = dw_base_addr + offset;
return status;
}
/*
* ======== write_ext_dsp_data ========
* purpose:
* Copies buffers to the external memory.
*
*/
int write_ext_dsp_data(struct bridge_dev_context *dev_context,
u8 *host_buff, u32 dsp_addr,
u32 ul_num_bytes, u32 mem_type,
bool dynamic_load)
{
u32 dw_base_addr = dev_context->dsp_ext_base_addr;
u32 dw_offset = 0;
u8 temp_byte1, temp_byte2;
u8 remain_byte[4];
s32 i;
int ret = 0;
u32 dw_ext_prog_virt_mem;
u32 ul_tlb_base_virt = 0;
u32 ul_shm_offset_virt = 0;
struct cfg_hostres *host_res = dev_context->resources;
bool trace_load = false;
temp_byte1 = 0x0;
temp_byte2 = 0x0;
if (symbols_reloaded) {
/* Check if it is a load to Trace section */
ret = dev_get_symbol(dev_context->dev_obj,
DSP_TRACESEC_BEG, &ul_trace_sec_beg);
if (!ret)
ret = dev_get_symbol(dev_context->dev_obj,
DSP_TRACESEC_END,
&ul_trace_sec_end);
}
if (!ret) {
if ((dsp_addr <= ul_trace_sec_end) &&
(dsp_addr >= ul_trace_sec_beg))
trace_load = true;
}
/* If dynamic, force remap/unmap */
if ((dynamic_load || trace_load) && dw_base_addr) {
dw_base_addr = 0;
MEM_UNMAP_LINEAR_ADDRESS((void *)
dev_context->dsp_ext_base_addr);
dev_context->dsp_ext_base_addr = 0x0;
}
if (!dw_base_addr) {
if (symbols_reloaded)
/* Get SHM_BEG EXT_BEG and EXT_END. */
ret = dev_get_symbol(dev_context->dev_obj,
SHMBASENAME, &ul_shm_base_virt);
if (dynamic_load) {
if (!ret) {
if (symbols_reloaded)
ret =
dev_get_symbol
(dev_context->dev_obj, DYNEXTBASE,
&ul_ext_base);
}
if (!ret) {
/* DR OMAPS00013235 : DLModules array may be
* in EXTMEM. It is expected that DYNEXTMEM and
* EXTMEM are contiguous, so checking for the
* upper bound at EXTEND should be Ok. */
if (symbols_reloaded)
ret =
dev_get_symbol
(dev_context->dev_obj, EXTEND,
&ul_ext_end);
}
} else {
if (symbols_reloaded) {
if (!ret)
ret =
dev_get_symbol
(dev_context->dev_obj, EXTBASE,
&ul_ext_base);
if (!ret)
ret =
dev_get_symbol
(dev_context->dev_obj, EXTEND,
&ul_ext_end);
}
}
/* Trace buffer it right after the shm SEG0, so set the
* base address to SHMBASE */
if (trace_load)
ul_ext_base = ul_shm_base_virt;
if (ul_ext_end < ul_ext_base)
ret = -EPERM;
if (!ret) {
ul_tlb_base_virt =
dev_context->atlb_entry[0].dsp_va * DSPWORDSIZE;
if (symbols_reloaded) {
ret = dev_get_symbol
(dev_context->dev_obj,
DSP_TRACESEC_END, &shm0_end);
if (!ret) {
ret =
dev_get_symbol
(dev_context->dev_obj, DYNEXTBASE,
&ul_dyn_ext_base);
}
}
ul_shm_offset_virt =
ul_shm_base_virt - ul_tlb_base_virt;
if (trace_load) {
dw_ext_prog_virt_mem =
dev_context->atlb_entry[0].gpp_va;
} else {
dw_ext_prog_virt_mem = host_res->mem_base[1];
dw_ext_prog_virt_mem +=
(ul_ext_base - ul_dyn_ext_base);
}
dev_context->dsp_ext_base_addr =
(u32) MEM_LINEAR_ADDRESS((void *)
dw_ext_prog_virt_mem,
ul_ext_end - ul_ext_base);
dw_base_addr += dev_context->dsp_ext_base_addr;
/* This dsp_ext_base_addr will get cleared only when
* the board is stopped. */
if (!dev_context->dsp_ext_base_addr)
ret = -EPERM;
}
}
if (!dw_base_addr || !ul_ext_base || !ul_ext_end)
ret = -EPERM;
if (!ret) {
for (i = 0; i < 4; i++)
remain_byte[i] = 0x0;
dw_offset = dsp_addr - ul_ext_base;
/* Also make sure the dsp_addr is < ul_ext_end */
if (dsp_addr > ul_ext_end || dw_offset > dsp_addr)
ret = -EPERM;
}
if (!ret) {
if (ul_num_bytes)
memcpy((u8 *) dw_base_addr + dw_offset, host_buff,
ul_num_bytes);
else
*((u32 *) host_buff) = dw_base_addr + dw_offset;
}
/* Unmap here to force remap for other Ext loads */
if ((dynamic_load || trace_load) && dev_context->dsp_ext_base_addr) {
MEM_UNMAP_LINEAR_ADDRESS((void *)
dev_context->dsp_ext_base_addr);
dev_context->dsp_ext_base_addr = 0x0;
}
symbols_reloaded = false;
return ret;
}
int bridge_io_on_loaded(struct io_mgr *hio_mgr)
{
struct cod_manager *cod_man;
struct chnl_mgr *hchnl_mgr;
struct msg_mgr *hmsg_mgr;
u32 ul_shm_base;
u32 ul_shm_base_offset;
u32 ul_shm_limit;
u32 ul_shm_length = -1;
u32 ul_mem_length = -1;
u32 ul_msg_base;
u32 ul_msg_limit;
u32 ul_msg_length = -1;
u32 ul_ext_end;
u32 ul_gpp_pa = 0;
u32 ul_gpp_va = 0;
u32 ul_dsp_va = 0;
u32 ul_seg_size = 0;
u32 ul_pad_size = 0;
u32 i;
int status = 0;
u8 num_procs = 0;
s32 ndx = 0;
struct bridge_ioctl_extproc ae_proc[BRDIOCTL_NUMOFMMUTLB];
struct cfg_hostres *host_res;
struct bridge_dev_context *pbridge_context;
u32 map_attrs;
u32 shm0_end;
u32 ul_dyn_ext_base;
u32 ul_seg1_size = 0;
u32 pa_curr = 0;
u32 va_curr = 0;
u32 gpp_va_curr = 0;
u32 num_bytes = 0;
u32 all_bits = 0;
u32 page_size[] = { HW_PAGE_SIZE16MB, HW_PAGE_SIZE1MB,
HW_PAGE_SIZE64KB, HW_PAGE_SIZE4KB
};
status = dev_get_bridge_context(hio_mgr->dev_obj, &pbridge_context);
if (!pbridge_context) {
status = -EFAULT;
goto func_end;
}
host_res = pbridge_context->resources;
if (!host_res) {
status = -EFAULT;
goto func_end;
}
status = dev_get_cod_mgr(hio_mgr->dev_obj, &cod_man);
if (!cod_man) {
status = -EFAULT;
goto func_end;
}
hchnl_mgr = hio_mgr->chnl_mgr;
dev_get_msg_mgr(hio_mgr->dev_obj, &hio_mgr->msg_mgr);
hmsg_mgr = hio_mgr->msg_mgr;
if (!hchnl_mgr || !hmsg_mgr) {
status = -EFAULT;
goto func_end;
}
if (hio_mgr->shared_mem)
hio_mgr->shared_mem = NULL;
status = cod_get_sym_value(cod_man, CHNL_SHARED_BUFFER_BASE_SYM,
&ul_shm_base);
if (status) {
status = -EFAULT;
goto func_end;
}
status = cod_get_sym_value(cod_man, CHNL_SHARED_BUFFER_LIMIT_SYM,
&ul_shm_limit);
if (status) {
status = -EFAULT;
goto func_end;
}
if (ul_shm_limit <= ul_shm_base) {
status = -EINVAL;
goto func_end;
}
ul_shm_length = (ul_shm_limit - ul_shm_base + 1) * hio_mgr->word_size;
dev_dbg(bridge, "%s: (proc)proccopy shmmem size: 0x%x bytes\n",
__func__, (ul_shm_length - sizeof(struct shm)));
status = cod_get_sym_value(cod_man, MSG_SHARED_BUFFER_BASE_SYM,
&ul_msg_base);
if (!status) {
status = cod_get_sym_value(cod_man, MSG_SHARED_BUFFER_LIMIT_SYM,
&ul_msg_limit);
if (!status) {
if (ul_msg_limit <= ul_msg_base) {
status = -EINVAL;
} else {
ul_msg_length =
(ul_msg_limit - ul_msg_base +
1) * hio_mgr->word_size;
ul_mem_length = ul_shm_length + ul_msg_length;
}
} else {
status = -EFAULT;
}
} else {
status = -EFAULT;
}
if (!status) {
#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE)
status =
cod_get_sym_value(cod_man, DSP_TRACESEC_END, &shm0_end);
#else
status = cod_get_sym_value(cod_man, SHM0_SHARED_END_SYM,
&shm0_end);
#endif
if (status)
status = -EFAULT;
}
if (!status) {
status =
cod_get_sym_value(cod_man, DYNEXTBASE, &ul_dyn_ext_base);
if (status)
status = -EFAULT;
}
if (!status) {
status = cod_get_sym_value(cod_man, EXTEND, &ul_ext_end);
if (status)
status = -EFAULT;
}
if (!status) {
(void)mgr_enum_processor_info(0, (struct dsp_processorinfo *)
&hio_mgr->ext_proc_info,
sizeof(struct
mgr_processorextinfo),
&num_procs);
ndx = 0;
ul_gpp_pa = host_res->mem_phys[1];
ul_gpp_va = host_res->mem_base[1];
ul_dsp_va = hio_mgr->ext_proc_info.ty_tlb[0].dsp_virt;
ul_seg_size = (shm0_end - ul_dsp_va) * hio_mgr->word_size;
ul_seg1_size =
(ul_ext_end - ul_dyn_ext_base) * hio_mgr->word_size;
ul_seg1_size = (ul_seg1_size + 0xFFF) & (~0xFFFUL);
ul_seg_size = (ul_seg_size + 0xFFFF) & (~0xFFFFUL);
ul_pad_size = UL_PAGE_ALIGN_SIZE - ((ul_gpp_pa + ul_seg1_size) %
UL_PAGE_ALIGN_SIZE);
if (ul_pad_size == UL_PAGE_ALIGN_SIZE)
ul_pad_size = 0x0;
dev_dbg(bridge, "%s: ul_gpp_pa %x, ul_gpp_va %x, ul_dsp_va %x, "
"shm0_end %x, ul_dyn_ext_base %x, ul_ext_end %x, "
"ul_seg_size %x ul_seg1_size %x \n", __func__,
ul_gpp_pa, ul_gpp_va, ul_dsp_va, shm0_end,
ul_dyn_ext_base, ul_ext_end, ul_seg_size, ul_seg1_size);
if ((ul_seg_size + ul_seg1_size + ul_pad_size) >
host_res->mem_length[1]) {
pr_err("%s: shm Error, reserved 0x%x required 0x%x\n",
__func__, host_res->mem_length[1],
ul_seg_size + ul_seg1_size + ul_pad_size);
status = -ENOMEM;
}
}
if (status)
goto func_end;
pa_curr = ul_gpp_pa;
va_curr = ul_dyn_ext_base * hio_mgr->word_size;
gpp_va_curr = ul_gpp_va;
num_bytes = ul_seg1_size;
map_attrs = 0x00000000;
map_attrs = DSP_MAPLITTLEENDIAN;
map_attrs |= DSP_MAPPHYSICALADDR;
map_attrs |= DSP_MAPELEMSIZE32;
map_attrs |= DSP_MAPDONOTLOCK;
while (num_bytes) {
all_bits = pa_curr | va_curr;
dev_dbg(bridge, "all_bits %x, pa_curr %x, va_curr %x, "
"num_bytes %x\n", all_bits, pa_curr, va_curr,
num_bytes);
for (i = 0; i < 4; i++) {
if ((num_bytes >= page_size[i]) && ((all_bits &
(page_size[i] -
1)) == 0)) {
status =
hio_mgr->intf_fxns->
brd_mem_map(hio_mgr->bridge_context,
pa_curr, va_curr,
page_size[i], map_attrs,
NULL);
if (status)
goto func_end;
pa_curr += page_size[i];
va_curr += page_size[i];
gpp_va_curr += page_size[i];
num_bytes -= page_size[i];
break;
}
}
}
pa_curr += ul_pad_size;
va_curr += ul_pad_size;
gpp_va_curr += ul_pad_size;
num_bytes = ul_seg_size;
va_curr = ul_dsp_va * hio_mgr->word_size;
while (num_bytes) {
all_bits = pa_curr | va_curr;
dev_dbg(bridge, "all_bits for Seg1 %x, pa_curr %x, "
"va_curr %x, num_bytes %x\n", all_bits, pa_curr,
va_curr, num_bytes);
for (i = 0; i < 4; i++) {
if (!(num_bytes >= page_size[i]) ||
!((all_bits & (page_size[i] - 1)) == 0))
continue;
if (ndx < MAX_LOCK_TLB_ENTRIES) {
/*
* This is the physical address written to
* DSP MMU.
*/
ae_proc[ndx].gpp_pa = pa_curr;
ae_proc[ndx].gpp_va = gpp_va_curr;
ae_proc[ndx].dsp_va =
va_curr / hio_mgr->word_size;
ae_proc[ndx].size = page_size[i];
ae_proc[ndx].endianism = HW_LITTLE_ENDIAN;
ae_proc[ndx].elem_size = HW_ELEM_SIZE16BIT;
ae_proc[ndx].mixed_mode = HW_MMU_CPUES;
dev_dbg(bridge, "shm MMU TLB entry PA %x"
" VA %x DSP_VA %x Size %x\n",
ae_proc[ndx].gpp_pa,
ae_proc[ndx].gpp_va,
ae_proc[ndx].dsp_va *
hio_mgr->word_size, page_size[i]);
ndx++;
} else {
status =
hio_mgr->intf_fxns->
brd_mem_map(hio_mgr->bridge_context,
pa_curr, va_curr,
page_size[i], map_attrs,
NULL);
dev_dbg(bridge,
"shm MMU PTE entry PA %x"
" VA %x DSP_VA %x Size %x\n",
ae_proc[ndx].gpp_pa,
ae_proc[ndx].gpp_va,
ae_proc[ndx].dsp_va *
hio_mgr->word_size, page_size[i]);
if (status)
goto func_end;
}
pa_curr += page_size[i];
va_curr += page_size[i];
gpp_va_curr += page_size[i];
num_bytes -= page_size[i];
break;
}
}
for (i = 3; i < 7 && ndx < BRDIOCTL_NUMOFMMUTLB; i++) {
if (hio_mgr->ext_proc_info.ty_tlb[i].gpp_phys == 0)
continue;
if ((hio_mgr->ext_proc_info.ty_tlb[i].gpp_phys >
ul_gpp_pa - 0x100000
&& hio_mgr->ext_proc_info.ty_tlb[i].gpp_phys <=
ul_gpp_pa + ul_seg_size)
|| (hio_mgr->ext_proc_info.ty_tlb[i].dsp_virt >
ul_dsp_va - 0x100000 / hio_mgr->word_size
&& hio_mgr->ext_proc_info.ty_tlb[i].dsp_virt <=
ul_dsp_va + ul_seg_size / hio_mgr->word_size)) {
dev_dbg(bridge,
"CDB MMU entry %d conflicts with "
"shm.\n\tCDB: GppPa %x, DspVa %x.\n\tSHM: "
"GppPa %x, DspVa %x, Bytes %x.\n", i,
hio_mgr->ext_proc_info.ty_tlb[i].gpp_phys,
hio_mgr->ext_proc_info.ty_tlb[i].dsp_virt,
ul_gpp_pa, ul_dsp_va, ul_seg_size);
status = -EPERM;
} else {
if (ndx < MAX_LOCK_TLB_ENTRIES) {
ae_proc[ndx].dsp_va =
hio_mgr->ext_proc_info.ty_tlb[i].
dsp_virt;
ae_proc[ndx].gpp_pa =
hio_mgr->ext_proc_info.ty_tlb[i].
gpp_phys;
ae_proc[ndx].gpp_va = 0;
ae_proc[ndx].size = 0x100000;
dev_dbg(bridge, "shm MMU entry PA %x "
"DSP_VA 0x%x\n", ae_proc[ndx].gpp_pa,
ae_proc[ndx].dsp_va);
ndx++;
} else {
status = hio_mgr->intf_fxns->brd_mem_map
(hio_mgr->bridge_context,
hio_mgr->ext_proc_info.ty_tlb[i].
gpp_phys,
hio_mgr->ext_proc_info.ty_tlb[i].
dsp_virt, 0x100000, map_attrs,
NULL);
}
}
if (status)
goto func_end;
}
map_attrs = 0x00000000;
map_attrs = DSP_MAPLITTLEENDIAN;
map_attrs |= DSP_MAPPHYSICALADDR;
map_attrs |= DSP_MAPELEMSIZE32;
map_attrs |= DSP_MAPDONOTLOCK;
i = 0;
while (l4_peripheral_table[i].phys_addr) {
status = hio_mgr->intf_fxns->brd_mem_map
(hio_mgr->bridge_context, l4_peripheral_table[i].phys_addr,
l4_peripheral_table[i].dsp_virt_addr, HW_PAGE_SIZE4KB,
map_attrs, NULL);
if (status)
goto func_end;
i++;
}
for (i = ndx; i < BRDIOCTL_NUMOFMMUTLB; i++) {
ae_proc[i].dsp_va = 0;
ae_proc[i].gpp_pa = 0;
ae_proc[i].gpp_va = 0;
ae_proc[i].size = 0;
}
hio_mgr->ext_proc_info.ty_tlb[0].gpp_phys =
(ul_gpp_va + ul_seg1_size + ul_pad_size);
if (!hio_mgr->ext_proc_info.ty_tlb[0].gpp_phys || num_procs != 1) {
status = -EFAULT;
goto func_end;
} else {
if (ae_proc[0].dsp_va > ul_shm_base) {
status = -EPERM;
goto func_end;
}
ul_shm_base_offset = (ul_shm_base - ae_proc[0].dsp_va) *
hio_mgr->word_size;
status =
hio_mgr->intf_fxns->dev_cntrl(hio_mgr->bridge_context,
BRDIOCTL_SETMMUCONFIG,
ae_proc);
if (status)
goto func_end;
ul_shm_base = hio_mgr->ext_proc_info.ty_tlb[0].gpp_phys;
ul_shm_base += ul_shm_base_offset;
ul_shm_base = (u32) MEM_LINEAR_ADDRESS((void *)ul_shm_base,
ul_mem_length);
if (ul_shm_base == 0) {
status = -EFAULT;
goto func_end;
}
status =
register_shm_segs(hio_mgr, cod_man, ae_proc[0].gpp_pa);
}
hio_mgr->shared_mem = (struct shm *)ul_shm_base;
hio_mgr->input = (u8 *) hio_mgr->shared_mem + sizeof(struct shm);
hio_mgr->output = hio_mgr->input + (ul_shm_length -
sizeof(struct shm)) / 2;
hio_mgr->sm_buf_size = hio_mgr->output - hio_mgr->input;
hio_mgr->msg_input_ctrl = (struct msg_ctrl *)((u8 *) hio_mgr->shared_mem
+ ul_shm_length);
hio_mgr->msg_input =
(u8 *) hio_mgr->msg_input_ctrl + sizeof(struct msg_ctrl);
hio_mgr->msg_output_ctrl =
(struct msg_ctrl *)((u8 *) hio_mgr->msg_input_ctrl +
ul_msg_length / 2);
hio_mgr->msg_output =
(u8 *) hio_mgr->msg_output_ctrl + sizeof(struct msg_ctrl);
hmsg_mgr->max_msgs =
((u8 *) hio_mgr->msg_output_ctrl - hio_mgr->msg_input)
/ sizeof(struct msg_dspmsg);
dev_dbg(bridge, "IO MGR shm details: shared_mem %p, input %p, "
"output %p, msg_input_ctrl %p, msg_input %p, "
"msg_output_ctrl %p, msg_output %p\n",
(u8 *) hio_mgr->shared_mem, hio_mgr->input,
hio_mgr->output, (u8 *) hio_mgr->msg_input_ctrl,
hio_mgr->msg_input, (u8 *) hio_mgr->msg_output_ctrl,
hio_mgr->msg_output);
dev_dbg(bridge, "(proc) Mas msgs in shared memory: 0x%x\n",
hmsg_mgr->max_msgs);
memset((void *)hio_mgr->shared_mem, 0, sizeof(struct shm));
#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE)
status = cod_get_sym_value(cod_man, SYS_PUTCBEG,
&hio_mgr->trace_buffer_begin);
if (status) {
status = -EFAULT;
goto func_end;
}
hio_mgr->gpp_read_pointer = hio_mgr->trace_buffer_begin =
(ul_gpp_va + ul_seg1_size + ul_pad_size) +
(hio_mgr->trace_buffer_begin - ul_dsp_va);
status = cod_get_sym_value(cod_man, SYS_PUTCEND,
&hio_mgr->trace_buffer_end);
if (status) {
status = -EFAULT;
goto func_end;
}
hio_mgr->trace_buffer_end =
(ul_gpp_va + ul_seg1_size + ul_pad_size) +
(hio_mgr->trace_buffer_end - ul_dsp_va);
status = cod_get_sym_value(cod_man, BRIDGE_SYS_PUTC_CURRENT,
&hio_mgr->trace_buffer_current);
if (status) {
status = -EFAULT;
goto func_end;
}
hio_mgr->trace_buffer_current =
(ul_gpp_va + ul_seg1_size + ul_pad_size) +
(hio_mgr->trace_buffer_current - ul_dsp_va);
kfree(hio_mgr->msg);
hio_mgr->msg = kmalloc(((hio_mgr->trace_buffer_end -
hio_mgr->trace_buffer_begin) *
hio_mgr->word_size) + 2, GFP_KERNEL);
if (!hio_mgr->msg)
status = -ENOMEM;
hio_mgr->dsp_va = ul_dsp_va;
hio_mgr->gpp_va = (ul_gpp_va + ul_seg1_size + ul_pad_size);
#endif
func_end:
return status;
}
int write_ext_dsp_data(struct bridge_dev_context *dev_context,
u8 *host_buff, u32 dsp_addr,
u32 ul_num_bytes, u32 mem_type,
bool dynamic_load)
{
u32 dw_base_addr = dev_context->dsp_ext_base_addr;
u32 dw_offset = 0;
u8 temp_byte1, temp_byte2;
u8 remain_byte[4];
s32 i;
int ret = 0;
u32 dw_ext_prog_virt_mem;
u32 ul_tlb_base_virt = 0;
u32 ul_shm_offset_virt = 0;
struct cfg_hostres *host_res = dev_context->resources;
bool trace_load = false;
temp_byte1 = 0x0;
temp_byte2 = 0x0;
if (symbols_reloaded) {
ret = dev_get_symbol(dev_context->dev_obj,
DSP_TRACESEC_BEG, &ul_trace_sec_beg);
if (!ret)
ret = dev_get_symbol(dev_context->dev_obj,
DSP_TRACESEC_END,
&ul_trace_sec_end);
}
if (!ret) {
if ((dsp_addr <= ul_trace_sec_end) &&
(dsp_addr >= ul_trace_sec_beg))
trace_load = true;
}
if ((dynamic_load || trace_load) && dw_base_addr) {
dw_base_addr = 0;
MEM_UNMAP_LINEAR_ADDRESS((void *)
dev_context->dsp_ext_base_addr);
dev_context->dsp_ext_base_addr = 0x0;
}
if (!dw_base_addr) {
if (symbols_reloaded)
ret = dev_get_symbol(dev_context->dev_obj,
SHMBASENAME, &ul_shm_base_virt);
if (dynamic_load) {
if (!ret) {
if (symbols_reloaded)
ret =
dev_get_symbol
(dev_context->dev_obj, DYNEXTBASE,
&ul_ext_base);
}
if (!ret) {
if (symbols_reloaded)
ret =
dev_get_symbol
(dev_context->dev_obj, EXTEND,
&ul_ext_end);
}
} else {
if (symbols_reloaded) {
if (!ret)
ret =
dev_get_symbol
(dev_context->dev_obj, EXTBASE,
&ul_ext_base);
if (!ret)
ret =
dev_get_symbol
(dev_context->dev_obj, EXTEND,
&ul_ext_end);
}
}
if (trace_load)
ul_ext_base = ul_shm_base_virt;
if (ul_ext_end < ul_ext_base)
ret = -EPERM;
if (!ret) {
ul_tlb_base_virt =
dev_context->atlb_entry[0].dsp_va * DSPWORDSIZE;
if (symbols_reloaded) {
ret = dev_get_symbol
(dev_context->dev_obj,
DSP_TRACESEC_END, &shm0_end);
if (!ret) {
ret =
dev_get_symbol
(dev_context->dev_obj, DYNEXTBASE,
&ul_dyn_ext_base);
}
}
ul_shm_offset_virt =
ul_shm_base_virt - ul_tlb_base_virt;
if (trace_load) {
dw_ext_prog_virt_mem =
dev_context->atlb_entry[0].gpp_va;
} else {
dw_ext_prog_virt_mem = host_res->mem_base[1];
dw_ext_prog_virt_mem +=
(ul_ext_base - ul_dyn_ext_base);
}
dev_context->dsp_ext_base_addr =
(u32) MEM_LINEAR_ADDRESS((void *)
dw_ext_prog_virt_mem,
ul_ext_end - ul_ext_base);
dw_base_addr += dev_context->dsp_ext_base_addr;
if (!dev_context->dsp_ext_base_addr)
ret = -EPERM;
}
}
if (!dw_base_addr || !ul_ext_base || !ul_ext_end)
ret = -EPERM;
if (!ret) {
for (i = 0; i < 4; i++)
remain_byte[i] = 0x0;
dw_offset = dsp_addr - ul_ext_base;
if (dsp_addr > ul_ext_end || dw_offset > dsp_addr)
ret = -EPERM;
}
if (!ret) {
if (ul_num_bytes)
memcpy((u8 *) dw_base_addr + dw_offset, host_buff,
ul_num_bytes);
else
*((u32 *) host_buff) = dw_base_addr + dw_offset;
}
if ((dynamic_load || trace_load) && dev_context->dsp_ext_base_addr) {
MEM_UNMAP_LINEAR_ADDRESS((void *)
dev_context->dsp_ext_base_addr);
dev_context->dsp_ext_base_addr = 0x0;
}
symbols_reloaded = false;
return ret;
}