[1/4] soundwire: amd: pass acp pci revision id as resource data

Commit Message

Vijendar Mukunda Sept. 24, 2024, 8:18 a.m. UTC

Pass ACP pci revision id as resource data and store it in amd SoundWire
manager private data structure. This field will be used to differentiate
ACP variants.

Signed-off-by: Vijendar Mukunda <[e-mail]>
---
 drivers/soundwire/amd_init.c      | 1 +
 drivers/soundwire/amd_manager.c   | 1 +
 include/linux/soundwire/sdw_amd.h | 5 +++++
 3 files changed, 7 insertions(+)

Patch

diff --git a/drivers/soundwire/amd_init.c b/drivers/soundwire/amd_init.c
index db040f435059..4f6e356e6bd2 100644
--- a/drivers/soundwire/amd_init.c
+++ b/drivers/soundwire/amd_init.c
@@ -121,6 +121,7 @@  static struct sdw_amd_ctx *sdw_amd_probe_controller(struct sdw_amd_res *res)
 
 		sdw_pdata[index].instance = index;
 		sdw_pdata[index].acp_sdw_lock = res->acp_lock;
+		sdw_pdata[index].acp_rev = res->acp_rev;
 		pdevinfo[index].name = "amd_sdw_manager";
 		pdevinfo[index].id = index;
 		pdevinfo[index].parent = res->parent;
diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 0d01849c3586..4a1966fb01f6 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -910,6 +910,7 @@  static int amd_sdw_manager_probe(struct platform_device *pdev)
 	amd_manager->mmio = amd_manager->acp_mmio +
 			    (amd_manager->instance * SDW_MANAGER_REG_OFFSET);
 	amd_manager->acp_sdw_lock = pdata->acp_sdw_lock;
+	amd_manager->acp_rev = pdata->acp_rev;
 	amd_manager->cols_index = sdw_find_col_index(AMD_SDW_DEFAULT_COLUMNS);
 	amd_manager->rows_index = sdw_find_row_index(AMD_SDW_DEFAULT_ROWS);
 	amd_manager->dev = dev;
diff --git a/include/linux/soundwire/sdw_amd.h b/include/linux/soundwire/sdw_amd.h
index 28a4eb77717f..e0abc59d4748 100644
--- a/include/linux/soundwire/sdw_amd.h
+++ b/include/linux/soundwire/sdw_amd.h
@@ -30,6 +30,7 @@ 
 
 struct acp_sdw_pdata {
 	u16 instance;
+	u32 acp_rev;
 	/* mutex to protect acp common register access */
 	struct mutex *acp_sdw_lock;
 };
@@ -66,6 +67,7 @@  struct sdw_amd_dai_runtime {
  * @instance: SoundWire manager instance
  * @quirks: SoundWire manager quirks
  * @wake_en_mask: wake enable mask per SoundWire manager
+ * @acp_rev: acp pci device revision id
  * @clk_stopped: flag set to true when clock is stopped
  * @power_mode_mask: flag interprets amd SoundWire manager power mode
  * @dai_runtime_array: dai runtime array
@@ -94,6 +96,7 @@  struct amd_sdw_manager {
 	u32 quirks;
 	u32 wake_en_mask;
 	u32 power_mode_mask;
+	u32 acp_rev;
 	bool clk_stopped;
 
 	struct sdw_amd_dai_runtime **dai_runtime_array;
@@ -134,6 +137,7 @@  struct sdw_amd_ctx {
  * struct sdw_amd_res - Soundwire AMD global resource structure,
  * typically populated by the DSP driver/Legacy driver
  *
+ * @acp_rev: acp pci device revision id
  * @addr: acp pci device resource start address
  * @reg_range: ACP register range
  * @link_mask: bit-wise mask listing links selected by the DSP driver/
@@ -146,6 +150,7 @@  struct sdw_amd_ctx {
  * @acp_lock: mutex protecting acp common registers access
  */
 struct sdw_amd_res {
+	u32 acp_rev;
 	u32 addr;
 	u32 reg_range;
 	u32 link_mask;