]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
drm/amdgpu: Add audio method to register block
authorLijo Lazar <lijo.lazar@amd.com>
Mon, 8 Dec 2025 13:41:57 +0000 (19:11 +0530)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 2 Mar 2026 21:46:16 +0000 (16:46 -0500)
Move audio endpoint callbacks to register access block.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c
drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h
drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

index 5bd72261daae119a8c573fb4a812412f05d7370f..779bcec9bec73f11e2ed5169000a1cb5f4b0feb1 100644 (file)
@@ -914,10 +914,6 @@ struct amdgpu_device {
        amdgpu_wreg64_t                 pcie_wreg64;
        amdgpu_rreg64_ext_t                     pcie_rreg64_ext;
        amdgpu_wreg64_ext_t pcie_wreg64_ext;
-       /* protects concurrent ENDPOINT (audio) register access */
-       spinlock_t audio_endpt_idx_lock;
-       amdgpu_block_rreg_t             audio_endpt_rreg;
-       amdgpu_block_wreg_t             audio_endpt_wreg;
        struct amdgpu_doorbell          doorbell;
 
        /* clock/pll info */
@@ -1332,8 +1328,10 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
 #define WREG32_GC_CAC(reg, v) amdgpu_reg_gc_cac_wr32(adev, (reg), (v))
 #define RREG32_SE_CAC(reg) amdgpu_reg_se_cac_rd32(adev, (reg))
 #define WREG32_SE_CAC(reg, v) amdgpu_reg_se_cac_wr32(adev, (reg), (v))
-#define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
-#define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
+#define RREG32_AUDIO_ENDPT(block, reg) \
+       amdgpu_reg_audio_endpt_rd32(adev, (block), (reg))
+#define WREG32_AUDIO_ENDPT(block, reg, v) \
+       amdgpu_reg_audio_endpt_wr32(adev, (block), (reg), (v))
 #define WREG32_P(reg, val, mask)                               \
        do {                                                    \
                uint32_t tmp_ = RREG32(reg);                    \
index 3872b81cbcb514b9f80e6af2abe847e457797aab..be79a277f7e105886c60aa3c4f534ec0d48b23ac 100644 (file)
@@ -959,48 +959,6 @@ static void amdgpu_invalid_wreg64_ext(struct amdgpu_device *adev, uint64_t reg,
        BUG();
 }
 
-/**
- * amdgpu_block_invalid_rreg - dummy reg read function
- *
- * @adev: amdgpu_device pointer
- * @block: offset of instance
- * @reg: offset of register
- *
- * Dummy register read function.  Used for register blocks
- * that certain asics don't have (all asics).
- * Returns the value in the register.
- */
-static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev,
-                                         uint32_t block, uint32_t reg)
-{
-       dev_err(adev->dev,
-               "Invalid callback to read register 0x%04X in block 0x%04X\n",
-               reg, block);
-       BUG();
-       return 0;
-}
-
-/**
- * amdgpu_block_invalid_wreg - dummy reg write function
- *
- * @adev: amdgpu_device pointer
- * @block: offset of instance
- * @reg: offset of register
- * @v: value to write to the register
- *
- * Dummy register read function.  Used for register blocks
- * that certain asics don't have (all asics).
- */
-static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev,
-                                     uint32_t block,
-                                     uint32_t reg, uint32_t v)
-{
-       dev_err(adev->dev,
-               "Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n",
-               reg, block, v);
-       BUG();
-}
-
 static uint32_t amdgpu_device_get_vbios_flags(struct amdgpu_device *adev)
 {
        if (hweight32(adev->aid_mask) && (adev->flags & AMD_IS_APU))
@@ -3842,8 +3800,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
        adev->pcie_wreg64 = &amdgpu_invalid_wreg64;
        adev->pcie_rreg64_ext = &amdgpu_invalid_rreg64_ext;
        adev->pcie_wreg64_ext = &amdgpu_invalid_wreg64_ext;
-       adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg;
-       adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg;
 
        dev_info(
                adev->dev,
@@ -3889,7 +3845,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 
        spin_lock_init(&adev->mmio_idx_lock);
        spin_lock_init(&adev->pcie_idx_lock);
-       spin_lock_init(&adev->audio_endpt_idx_lock);
        spin_lock_init(&adev->mm_stats.lock);
        spin_lock_init(&adev->virt.rlcg_reg_lock);
        spin_lock_init(&adev->wb.lock);
index d75ef23581a05bfec3f4cda977c49e0906f88417..563b155b15c6e7e9e08cc82ef380ac232b423e5e 100644 (file)
@@ -54,6 +54,10 @@ void amdgpu_reg_access_init(struct amdgpu_device *adev)
        spin_lock_init(&adev->reg.se_cac.lock);
        adev->reg.se_cac.rreg = NULL;
        adev->reg.se_cac.wreg = NULL;
+
+       spin_lock_init(&adev->reg.audio_endpt.lock);
+       adev->reg.audio_endpt.rreg = NULL;
+       adev->reg.audio_endpt.wreg = NULL;
 }
 
 uint32_t amdgpu_reg_smc_rd32(struct amdgpu_device *adev, uint32_t reg)
@@ -153,6 +157,28 @@ void amdgpu_reg_se_cac_wr32(struct amdgpu_device *adev, uint32_t reg,
        adev->reg.se_cac.wreg(adev, reg, v);
 }
 
+uint32_t amdgpu_reg_audio_endpt_rd32(struct amdgpu_device *adev, uint32_t block,
+                                    uint32_t reg)
+{
+       if (!adev->reg.audio_endpt.rreg) {
+               dev_err_once(adev->dev,
+                            "AUDIO_ENDPT register read not supported\n");
+               return 0;
+       }
+       return adev->reg.audio_endpt.rreg(adev, block, reg);
+}
+
+void amdgpu_reg_audio_endpt_wr32(struct amdgpu_device *adev, uint32_t block,
+                                uint32_t reg, uint32_t v)
+{
+       if (!adev->reg.audio_endpt.wreg) {
+               dev_err_once(adev->dev,
+                            "AUDIO_ENDPT register write not supported\n");
+               return;
+       }
+       adev->reg.audio_endpt.wreg(adev, block, reg, v);
+}
+
 /*
  * register access helper functions.
  */
index 63929999cd76ab887dde908d73c86dc3daf3d6bc..e19b7a531906327049ab87d058e61dc2da8c491a 100644 (file)
@@ -32,18 +32,30 @@ struct amdgpu_device;
 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device *, uint32_t);
 typedef void (*amdgpu_wreg_t)(struct amdgpu_device *, uint32_t, uint32_t);
 
+typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device *, uint32_t,
+                                       uint32_t);
+typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device *, uint32_t, uint32_t,
+                                   uint32_t);
+
 struct amdgpu_reg_ind {
        spinlock_t lock;
        amdgpu_rreg_t rreg;
        amdgpu_wreg_t wreg;
 };
 
+struct amdgpu_reg_ind_blk {
+       spinlock_t lock;
+       amdgpu_block_rreg_t rreg;
+       amdgpu_block_wreg_t wreg;
+};
+
 struct amdgpu_reg_access {
        struct amdgpu_reg_ind smc;
        struct amdgpu_reg_ind uvd_ctx;
        struct amdgpu_reg_ind didt;
        struct amdgpu_reg_ind gc_cac;
        struct amdgpu_reg_ind se_cac;
+       struct amdgpu_reg_ind_blk audio_endpt;
 };
 
 void amdgpu_reg_access_init(struct amdgpu_device *adev);
@@ -59,6 +71,10 @@ void amdgpu_reg_gc_cac_wr32(struct amdgpu_device *adev, uint32_t reg,
 uint32_t amdgpu_reg_se_cac_rd32(struct amdgpu_device *adev, uint32_t reg);
 void amdgpu_reg_se_cac_wr32(struct amdgpu_device *adev, uint32_t reg,
                            uint32_t v);
+uint32_t amdgpu_reg_audio_endpt_rd32(struct amdgpu_device *adev, uint32_t block,
+                                    uint32_t reg);
+void amdgpu_reg_audio_endpt_wr32(struct amdgpu_device *adev, uint32_t block,
+                                uint32_t reg, uint32_t v);
 
 typedef uint32_t (*amdgpu_rreg_ext_t)(struct amdgpu_device *, uint64_t);
 typedef void (*amdgpu_wreg_ext_t)(struct amdgpu_device *, uint64_t, uint32_t);
@@ -69,11 +85,6 @@ typedef void (*amdgpu_wreg64_t)(struct amdgpu_device *, uint32_t, uint64_t);
 typedef uint64_t (*amdgpu_rreg64_ext_t)(struct amdgpu_device *, uint64_t);
 typedef void (*amdgpu_wreg64_ext_t)(struct amdgpu_device *, uint64_t, uint64_t);
 
-typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device *, uint32_t,
-                                       uint32_t);
-typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device *, uint32_t, uint32_t,
-                                   uint32_t);
-
 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, uint32_t reg,
                            uint32_t acc_flags);
 uint32_t amdgpu_device_xcc_rreg(struct amdgpu_device *adev, uint32_t reg,
index a7ffe10eea1b4494aa940a99c6ee01ecfdab98ec..f1052acea5ecc39f210294d21b970ff05e034da2 100644 (file)
@@ -175,10 +175,10 @@ static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
        unsigned long flags;
        u32 r;
 
-       spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+       spin_lock_irqsave(&adev->reg.audio_endpt.lock, flags);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
        r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
-       spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+       spin_unlock_irqrestore(&adev->reg.audio_endpt.lock, flags);
 
        return r;
 }
@@ -188,10 +188,10 @@ static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+       spin_lock_irqsave(&adev->reg.audio_endpt.lock, flags);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
-       spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+       spin_unlock_irqrestore(&adev->reg.audio_endpt.lock, flags);
 }
 
 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
@@ -2750,8 +2750,8 @@ static int dce_v10_0_early_init(struct amdgpu_ip_block *ip_block)
 {
        struct amdgpu_device *adev = ip_block->adev;
 
-       adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
-       adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
+       adev->reg.audio_endpt.rreg = &dce_v10_0_audio_endpt_rreg;
+       adev->reg.audio_endpt.wreg = &dce_v10_0_audio_endpt_wreg;
 
        dce_v10_0_set_display_funcs(adev);
 
index a72e20db5363be4c5c930db5762d94fcc54e68b6..c153a6e1e22a931b62fc81e16f32d8ba0d5256e1 100644 (file)
@@ -138,10 +138,10 @@ static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
        unsigned long flags;
        u32 r;
 
-       spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+       spin_lock_irqsave(&adev->reg.audio_endpt.lock, flags);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
        r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
-       spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+       spin_unlock_irqrestore(&adev->reg.audio_endpt.lock, flags);
 
        return r;
 }
@@ -151,11 +151,11 @@ static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+       spin_lock_irqsave(&adev->reg.audio_endpt.lock, flags);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
                reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
-       spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+       spin_unlock_irqrestore(&adev->reg.audio_endpt.lock, flags);
 }
 
 static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
@@ -2697,8 +2697,8 @@ static int dce_v6_0_early_init(struct amdgpu_ip_block *ip_block)
 {
        struct amdgpu_device *adev = ip_block->adev;
 
-       adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
-       adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
+       adev->reg.audio_endpt.rreg = &dce_v6_0_audio_endpt_rreg;
+       adev->reg.audio_endpt.wreg = &dce_v6_0_audio_endpt_wreg;
 
        dce_v6_0_set_display_funcs(adev);
 
index 4221c7b7c5060c90a13b3b2496c6b17c9faaf417..a85a9e32fde48d746dee1093cc7578b8522b3add 100644 (file)
@@ -126,10 +126,10 @@ static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev,
        unsigned long flags;
        u32 r;
 
-       spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+       spin_lock_irqsave(&adev->reg.audio_endpt.lock, flags);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
        r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
-       spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+       spin_unlock_irqrestore(&adev->reg.audio_endpt.lock, flags);
 
        return r;
 }
@@ -139,10 +139,10 @@ static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+       spin_lock_irqsave(&adev->reg.audio_endpt.lock, flags);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
        WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
-       spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+       spin_unlock_irqrestore(&adev->reg.audio_endpt.lock, flags);
 }
 
 static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
@@ -2655,8 +2655,8 @@ static int dce_v8_0_early_init(struct amdgpu_ip_block *ip_block)
 {
        struct amdgpu_device *adev = ip_block->adev;
 
-       adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg;
-       adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg;
+       adev->reg.audio_endpt.rreg = &dce_v8_0_audio_endpt_rreg;
+       adev->reg.audio_endpt.wreg = &dce_v8_0_audio_endpt_wreg;
 
        dce_v8_0_set_display_funcs(adev);
 
index 64aa5091fade91ec1873d0b2baead79f5d0f596b..92f5c0b4d511f7e7d8e127d1e1abc06456113157 100644 (file)
@@ -5968,8 +5968,8 @@ static int dm_early_init(struct amdgpu_ip_block *ip_block)
                adev->mode_info.funcs = &dm_display_funcs;
 
        /*
-        * Note: Do NOT change adev->audio_endpt_rreg and
-        * adev->audio_endpt_wreg because they are initialised in
+        * Note: Do NOT change adev->reg.audio_endpt.rreg and
+        * adev->reg.audio_endpt.wreg because they are initialised in
         * amdgpu_device_init()
         */
 #if defined(CONFIG_DEBUG_KERNEL_DC)