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path: root/drivers/media/pci/intel/ipu6/ipu6-buttress.c
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-rw-r--r--drivers/media/pci/intel/ipu6/ipu6-buttress.c77
1 files changed, 36 insertions, 41 deletions
diff --git a/drivers/media/pci/intel/ipu6/ipu6-buttress.c b/drivers/media/pci/intel/ipu6/ipu6-buttress.c
index e47f84c30e10..e898902e83f3 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-buttress.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-buttress.c
@@ -24,6 +24,7 @@
#include "ipu6.h"
#include "ipu6-bus.h"
+#include "ipu6-dma.h"
#include "ipu6-buttress.h"
#include "ipu6-platform-buttress-regs.h"
@@ -214,20 +215,17 @@ static void ipu6_buttress_ipc_recv(struct ipu6_device *isp,
}
static int ipu6_buttress_ipc_send_bulk(struct ipu6_device *isp,
- enum ipu6_buttress_ipc_domain ipc_domain,
struct ipu6_ipc_buttress_bulk_msg *msgs,
u32 size)
{
unsigned long tx_timeout_jiffies, rx_timeout_jiffies;
unsigned int i, retry = BUTTRESS_IPC_CMD_SEND_RETRY;
struct ipu6_buttress *b = &isp->buttress;
- struct ipu6_buttress_ipc *ipc;
+ struct ipu6_buttress_ipc *ipc = &b->cse;
u32 val;
int ret;
int tout;
- ipc = ipc_domain == IPU6_BUTTRESS_IPC_CSE ? &b->cse : &b->ish;
-
mutex_lock(&b->ipc_mutex);
ret = ipu6_buttress_ipc_validity_open(isp, ipc);
@@ -305,7 +303,6 @@ out:
static int
ipu6_buttress_ipc_send(struct ipu6_device *isp,
- enum ipu6_buttress_ipc_domain ipc_domain,
u32 ipc_msg, u32 size, bool require_resp,
u32 expected_resp)
{
@@ -316,7 +313,7 @@ ipu6_buttress_ipc_send(struct ipu6_device *isp,
.expected_resp = expected_resp,
};
- return ipu6_buttress_ipc_send_bulk(isp, ipc_domain, &msg, 1);
+ return ipu6_buttress_ipc_send_bulk(isp, &msg, 1);
}
static irqreturn_t ipu6_buttress_call_isr(struct ipu6_bus_device *adev)
@@ -345,12 +342,16 @@ irqreturn_t ipu6_buttress_isr(int irq, void *isp_ptr)
u32 disable_irqs = 0;
u32 irq_status;
u32 i, count = 0;
+ int active;
- pm_runtime_get_noresume(&isp->pdev->dev);
+ active = pm_runtime_get_if_active(&isp->pdev->dev);
+ if (!active)
+ return IRQ_NONE;
irq_status = readl(isp->base + reg_irq_sts);
- if (!irq_status) {
- pm_runtime_put_noidle(&isp->pdev->dev);
+ if (irq_status == 0 || WARN_ON_ONCE(irq_status == 0xffffffffu)) {
+ if (active > 0)
+ pm_runtime_put_noidle(&isp->pdev->dev);
return IRQ_NONE;
}
@@ -381,25 +382,12 @@ irqreturn_t ipu6_buttress_isr(int irq, void *isp_ptr)
complete(&b->cse.recv_complete);
}
- if (irq_status & BUTTRESS_ISR_IPC_FROM_ISH_IS_WAITING) {
- dev_dbg(&isp->pdev->dev,
- "BUTTRESS_ISR_IPC_FROM_ISH_IS_WAITING\n");
- ipu6_buttress_ipc_recv(isp, &b->ish, &b->ish.recv_data);
- complete(&b->ish.recv_complete);
- }
-
if (irq_status & BUTTRESS_ISR_IPC_EXEC_DONE_BY_CSE) {
dev_dbg(&isp->pdev->dev,
"BUTTRESS_ISR_IPC_EXEC_DONE_BY_CSE\n");
complete(&b->cse.send_complete);
}
- if (irq_status & BUTTRESS_ISR_IPC_EXEC_DONE_BY_ISH) {
- dev_dbg(&isp->pdev->dev,
- "BUTTRESS_ISR_IPC_EXEC_DONE_BY_CSE\n");
- complete(&b->ish.send_complete);
- }
-
if (irq_status & BUTTRESS_ISR_SAI_VIOLATION &&
ipu6_buttress_get_secure_mode(isp))
dev_err(&isp->pdev->dev,
@@ -426,7 +414,8 @@ irqreturn_t ipu6_buttress_isr(int irq, void *isp_ptr)
writel(BUTTRESS_IRQS & ~disable_irqs,
isp->base + BUTTRESS_REG_ISR_ENABLE);
- pm_runtime_put(&isp->pdev->dev);
+ if (active > 0)
+ pm_runtime_put(&isp->pdev->dev);
return ret;
}
@@ -517,7 +506,7 @@ bool ipu6_buttress_auth_done(struct ipu6_device *isp)
return val == BUTTRESS_SECURITY_CTL_AUTH_DONE;
}
-EXPORT_SYMBOL_NS_GPL(ipu6_buttress_auth_done, INTEL_IPU6);
+EXPORT_SYMBOL_NS_GPL(ipu6_buttress_auth_done, "INTEL_IPU6");
int ipu6_buttress_reset_authentication(struct ipu6_device *isp)
{
@@ -553,6 +542,7 @@ int ipu6_buttress_map_fw_image(struct ipu6_bus_device *sys,
const struct firmware *fw, struct sg_table *sgt)
{
bool is_vmalloc = is_vmalloc_addr(fw->data);
+ struct pci_dev *pdev = sys->isp->pdev;
struct page **pages;
const void *addr;
unsigned long n_pages;
@@ -562,7 +552,7 @@ int ipu6_buttress_map_fw_image(struct ipu6_bus_device *sys,
if (!is_vmalloc && !virt_addr_valid(fw->data))
return -EDOM;
- n_pages = PHYS_PFN(PAGE_ALIGN(fw->size));
+ n_pages = PFN_UP(fw->size);
pages = kmalloc_array(n_pages, sizeof(*pages), GFP_KERNEL);
if (!pages)
@@ -588,29 +578,38 @@ int ipu6_buttress_map_fw_image(struct ipu6_bus_device *sys,
goto out;
}
- ret = dma_map_sgtable(&sys->auxdev.dev, sgt, DMA_TO_DEVICE, 0);
- if (ret < 0) {
- ret = -ENOMEM;
+ ret = dma_map_sgtable(&pdev->dev, sgt, DMA_TO_DEVICE, 0);
+ if (ret) {
+ sg_free_table(sgt);
+ goto out;
+ }
+
+ ret = ipu6_dma_map_sgtable(sys, sgt, DMA_TO_DEVICE, 0);
+ if (ret) {
+ dma_unmap_sgtable(&pdev->dev, sgt, DMA_TO_DEVICE, 0);
sg_free_table(sgt);
goto out;
}
- dma_sync_sgtable_for_device(&sys->auxdev.dev, sgt, DMA_TO_DEVICE);
+ ipu6_dma_sync_sgtable(sys, sgt);
out:
kfree(pages);
return ret;
}
-EXPORT_SYMBOL_NS_GPL(ipu6_buttress_map_fw_image, INTEL_IPU6);
+EXPORT_SYMBOL_NS_GPL(ipu6_buttress_map_fw_image, "INTEL_IPU6");
void ipu6_buttress_unmap_fw_image(struct ipu6_bus_device *sys,
struct sg_table *sgt)
{
- dma_unmap_sgtable(&sys->auxdev.dev, sgt, DMA_TO_DEVICE, 0);
+ struct pci_dev *pdev = sys->isp->pdev;
+
+ ipu6_dma_unmap_sgtable(sys, sgt, DMA_TO_DEVICE, 0);
+ dma_unmap_sgtable(&pdev->dev, sgt, DMA_TO_DEVICE, 0);
sg_free_table(sgt);
}
-EXPORT_SYMBOL_NS_GPL(ipu6_buttress_unmap_fw_image, INTEL_IPU6);
+EXPORT_SYMBOL_NS_GPL(ipu6_buttress_unmap_fw_image, "INTEL_IPU6");
int ipu6_buttress_authenticate(struct ipu6_device *isp)
{
@@ -650,7 +649,7 @@ int ipu6_buttress_authenticate(struct ipu6_device *isp)
*/
dev_info(&isp->pdev->dev, "Sending BOOT_LOAD to CSE\n");
- ret = ipu6_buttress_ipc_send(isp, IPU6_BUTTRESS_IPC_CSE,
+ ret = ipu6_buttress_ipc_send(isp,
BUTTRESS_IU2CSEDATA0_IPC_BOOT_LOAD,
1, true,
BUTTRESS_CSE2IUDATA0_IPC_BOOT_LOAD_DONE);
@@ -692,7 +691,7 @@ int ipu6_buttress_authenticate(struct ipu6_device *isp)
* IU2CSEDB.IU2CSECMD and set IU2CSEDB.IU2CSEBUSY as
*/
dev_info(&isp->pdev->dev, "Sending AUTHENTICATE_RUN to CSE\n");
- ret = ipu6_buttress_ipc_send(isp, IPU6_BUTTRESS_IPC_CSE,
+ ret = ipu6_buttress_ipc_send(isp,
BUTTRESS_IU2CSEDATA0_IPC_AUTH_RUN,
1, true,
BUTTRESS_CSE2IUDATA0_IPC_AUTH_RUN_DONE);
@@ -775,7 +774,7 @@ int ipu6_buttress_start_tsc_sync(struct ipu6_device *isp)
return -ETIMEDOUT;
}
-EXPORT_SYMBOL_NS_GPL(ipu6_buttress_start_tsc_sync, INTEL_IPU6);
+EXPORT_SYMBOL_NS_GPL(ipu6_buttress_start_tsc_sync, "INTEL_IPU6");
void ipu6_buttress_tsc_read(struct ipu6_device *isp, u64 *val)
{
@@ -797,7 +796,7 @@ void ipu6_buttress_tsc_read(struct ipu6_device *isp, u64 *val)
}
local_irq_restore(flags);
}
-EXPORT_SYMBOL_NS_GPL(ipu6_buttress_tsc_read, INTEL_IPU6);
+EXPORT_SYMBOL_NS_GPL(ipu6_buttress_tsc_read, "INTEL_IPU6");
u64 ipu6_buttress_tsc_ticks_to_ns(u64 ticks, const struct ipu6_device *isp)
{
@@ -812,7 +811,7 @@ u64 ipu6_buttress_tsc_ticks_to_ns(u64 ticks, const struct ipu6_device *isp)
*/
return div_u64(ns, isp->buttress.ref_clk);
}
-EXPORT_SYMBOL_NS_GPL(ipu6_buttress_tsc_ticks_to_ns, INTEL_IPU6);
+EXPORT_SYMBOL_NS_GPL(ipu6_buttress_tsc_ticks_to_ns, "INTEL_IPU6");
void ipu6_buttress_restore(struct ipu6_device *isp)
{
@@ -833,9 +832,7 @@ int ipu6_buttress_init(struct ipu6_device *isp)
mutex_init(&b->auth_mutex);
mutex_init(&b->cons_mutex);
mutex_init(&b->ipc_mutex);
- init_completion(&b->ish.send_complete);
init_completion(&b->cse.send_complete);
- init_completion(&b->ish.recv_complete);
init_completion(&b->cse.recv_complete);
b->cse.nack = BUTTRESS_CSE2IUDATA0_IPC_NACK;
@@ -847,8 +844,6 @@ int ipu6_buttress_init(struct ipu6_device *isp)
b->cse.data0_in = BUTTRESS_REG_CSE2IUDATA0;
b->cse.data0_out = BUTTRESS_REG_IU2CSEDATA0;
- /* no ISH on IPU6 */
- memset(&b->ish, 0, sizeof(b->ish));
INIT_LIST_HEAD(&b->constraints);
isp->secure_mode = ipu6_buttress_get_secure_mode(isp);
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