* [Qemu-devel] [PATCH v2] audio: intel-hda: do not use old_mmio accesses
@ 2017-08-23 19:37 Matt Parker
2017-08-23 20:13 ` Matt Parker
2017-08-24 8:15 ` Gerd Hoffmann
0 siblings, 2 replies; 3+ messages in thread
From: Matt Parker @ 2017-08-23 19:37 UTC (permalink / raw)
To: qemu-devel; +Cc: kraxel
intel-hda is currently using the old_mmio accessors for io.
This updates the device to use .read and .write accessors instead.
Signed-off-by: Matt Parker <mtparkr@gmail.com>
---
hw/audio/intel-hda.c | 57 +++++++++-------------------------------------------
1 file changed, 10 insertions(+), 47 deletions(-)
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index 06acc98f7b..95e3e460fb 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -1043,66 +1043,29 @@ static void intel_hda_regs_reset(IntelHDAState *d)
/* --------------------------------------------------------------------- */
-static void intel_hda_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
+static void intel_hda_mmio_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned size)
{
IntelHDAState *d = opaque;
const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
- intel_hda_reg_write(d, reg, val, 0xff);
+ intel_hda_reg_write(d, reg, val, (1UL << (size * 8)) - 1);
}
-static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
+static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size)
{
IntelHDAState *d = opaque;
const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
- intel_hda_reg_write(d, reg, val, 0xffff);
-}
-
-static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
-{
- IntelHDAState *d = opaque;
- const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
-
- intel_hda_reg_write(d, reg, val, 0xffffffff);
-}
-
-static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr)
-{
- IntelHDAState *d = opaque;
- const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
-
- return intel_hda_reg_read(d, reg, 0xff);
-}
-
-static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr)
-{
- IntelHDAState *d = opaque;
- const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
-
- return intel_hda_reg_read(d, reg, 0xffff);
-}
-
-static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr)
-{
- IntelHDAState *d = opaque;
- const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
-
- return intel_hda_reg_read(d, reg, 0xffffffff);
+ return intel_hda_reg_read(d, reg, (1UL << (size * 8)) - 1);
}
static const MemoryRegionOps intel_hda_mmio_ops = {
- .old_mmio = {
- .read = {
- intel_hda_mmio_readb,
- intel_hda_mmio_readw,
- intel_hda_mmio_readl,
- },
- .write = {
- intel_hda_mmio_writeb,
- intel_hda_mmio_writew,
- intel_hda_mmio_writel,
- },
+ .read = intel_hda_mmio_read,
+ .write = intel_hda_mmio_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 4,
},
.endianness = DEVICE_NATIVE_ENDIAN,
};
--
2.13.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] [PATCH v2] audio: intel-hda: do not use old_mmio accesses
2017-08-23 19:37 [Qemu-devel] [PATCH v2] audio: intel-hda: do not use old_mmio accesses Matt Parker
@ 2017-08-23 20:13 ` Matt Parker
2017-08-24 8:15 ` Gerd Hoffmann
1 sibling, 0 replies; 3+ messages in thread
From: Matt Parker @ 2017-08-23 20:13 UTC (permalink / raw)
To: open list:All patches CC here
I've just noticed the suggested changes from the v1 patch regarding
using MAKE_64BIT_MASK.
This patch is can be ignored for now.
On 23 August 2017 at 20:37, Matt Parker <mtparkr@gmail.com> wrote:
> intel-hda is currently using the old_mmio accessors for io.
> This updates the device to use .read and .write accessors instead.
>
> Signed-off-by: Matt Parker <mtparkr@gmail.com>
> ---
> hw/audio/intel-hda.c | 57 +++++++++-------------------------------------------
> 1 file changed, 10 insertions(+), 47 deletions(-)
>
> diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
> index 06acc98f7b..95e3e460fb 100644
> --- a/hw/audio/intel-hda.c
> +++ b/hw/audio/intel-hda.c
> @@ -1043,66 +1043,29 @@ static void intel_hda_regs_reset(IntelHDAState *d)
>
> /* --------------------------------------------------------------------- */
>
> -static void intel_hda_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
> +static void intel_hda_mmio_write(void *opaque, hwaddr addr, uint64_t val,
> + unsigned size)
> {
> IntelHDAState *d = opaque;
> const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
>
> - intel_hda_reg_write(d, reg, val, 0xff);
> + intel_hda_reg_write(d, reg, val, (1UL << (size * 8)) - 1);
> }
>
> -static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
> +static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size)
> {
> IntelHDAState *d = opaque;
> const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
>
> - intel_hda_reg_write(d, reg, val, 0xffff);
> -}
> -
> -static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
> -{
> - IntelHDAState *d = opaque;
> - const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
> -
> - intel_hda_reg_write(d, reg, val, 0xffffffff);
> -}
> -
> -static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr)
> -{
> - IntelHDAState *d = opaque;
> - const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
> -
> - return intel_hda_reg_read(d, reg, 0xff);
> -}
> -
> -static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr)
> -{
> - IntelHDAState *d = opaque;
> - const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
> -
> - return intel_hda_reg_read(d, reg, 0xffff);
> -}
> -
> -static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr)
> -{
> - IntelHDAState *d = opaque;
> - const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
> -
> - return intel_hda_reg_read(d, reg, 0xffffffff);
> + return intel_hda_reg_read(d, reg, (1UL << (size * 8)) - 1);
> }
>
> static const MemoryRegionOps intel_hda_mmio_ops = {
> - .old_mmio = {
> - .read = {
> - intel_hda_mmio_readb,
> - intel_hda_mmio_readw,
> - intel_hda_mmio_readl,
> - },
> - .write = {
> - intel_hda_mmio_writeb,
> - intel_hda_mmio_writew,
> - intel_hda_mmio_writel,
> - },
> + .read = intel_hda_mmio_read,
> + .write = intel_hda_mmio_write,
> + .impl = {
> + .min_access_size = 1,
> + .max_access_size = 4,
> },
> .endianness = DEVICE_NATIVE_ENDIAN,
> };
> --
> 2.13.2
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] [PATCH v2] audio: intel-hda: do not use old_mmio accesses
2017-08-23 19:37 [Qemu-devel] [PATCH v2] audio: intel-hda: do not use old_mmio accesses Matt Parker
2017-08-23 20:13 ` Matt Parker
@ 2017-08-24 8:15 ` Gerd Hoffmann
1 sibling, 0 replies; 3+ messages in thread
From: Gerd Hoffmann @ 2017-08-24 8:15 UTC (permalink / raw)
To: Matt Parker, qemu-devel
On Wed, 2017-08-23 at 20:37 +0100, Matt Parker wrote:
> + intel_hda_reg_write(d, reg, val, (1UL << (size * 8)) - 1);
Hmm? Same as v1, forgot to commit the changes?
cheers,
Gerd
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-08-23 19:37 [Qemu-devel] [PATCH v2] audio: intel-hda: do not use old_mmio accesses Matt Parker
2017-08-23 20:13 ` Matt Parker
2017-08-24 8:15 ` Gerd Hoffmann
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