drm/amdgpu/psp: use a function pointer structure

This way we can make all of the IP specific functions static,
and we only need a single entry point into the PSP IP modules.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 45 insertions, 20 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index 19bd1934e63d..690b9766d8ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -93,7 +93,7 @@ psp_v3_1_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *t
 	return 0;
 }
 
-int psp_v3_1_init_microcode(struct psp_context *psp)
+static int psp_v3_1_init_microcode(struct psp_context *psp)
 {
 	struct amdgpu_device *adev = psp->adev;
 	const char *chip_name;
@@ -161,7 +161,7 @@ out:
 	return err;
 }
 
-int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
+static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
 {
 	int ret;
 	uint32_t psp_gfxdrv_command_reg = 0;
@@ -202,7 +202,7 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
 	return ret;
 }
 
-int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
+static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
 {
 	int ret;
 	unsigned int psp_gfxdrv_command_reg = 0;
@@ -243,7 +243,8 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
 	return ret;
 }
 
-int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd)
+static int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
+				 struct psp_gfx_cmd_resp *cmd)
 {
 	int ret;
 	uint64_t fw_mem_mc_addr = ucode->mc_addr;
@@ -262,7 +263,8 @@ int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd
 	return ret;
 }
 
-int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_init(struct psp_context *psp,
+			      enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring;
@@ -287,7 +289,8 @@ int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
 	return 0;
 }
 
-int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_create(struct psp_context *psp,
+				enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	unsigned int psp_ring_reg = 0;
@@ -318,7 +321,8 @@ int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_stop(struct psp_context *psp,
+			      enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring;
@@ -341,7 +345,8 @@ int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_destroy(struct psp_context *psp,
+				 enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring = &psp->km_ring;
@@ -358,10 +363,10 @@ int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v3_1_cmd_submit(struct psp_context *psp,
-		        struct amdgpu_firmware_info *ucode,
-		        uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
-		        int index)
+static int psp_v3_1_cmd_submit(struct psp_context *psp,
+			       struct amdgpu_firmware_info *ucode,
+			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
+			       int index)
 {
 	unsigned int psp_write_ptr_reg = 0;
 	struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem;
@@ -410,9 +415,9 @@ int psp_v3_1_cmd_submit(struct psp_context *psp,
 
 static int
 psp_v3_1_sram_map(struct amdgpu_device *adev,
-		unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
-		unsigned int *sram_data_reg_offset,
-		enum AMDGPU_UCODE_ID ucode_id)
+		  unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
+		  unsigned int *sram_data_reg_offset,
+		  enum AMDGPU_UCODE_ID ucode_id)
 {
 	int ret = 0;
 
@@ -495,9 +500,9 @@ psp_v3_1_sram_map(struct amdgpu_device *adev,
 	return ret;
 }
 
-bool psp_v3_1_compare_sram_data(struct psp_context *psp,
-				struct amdgpu_firmware_info *ucode,
-				enum AMDGPU_UCODE_ID ucode_type)
+static bool psp_v3_1_compare_sram_data(struct psp_context *psp,
+				       struct amdgpu_firmware_info *ucode,
+				       enum AMDGPU_UCODE_ID ucode_type)
 {
 	int err = 0;
 	unsigned int fw_sram_reg_val = 0;
@@ -530,7 +535,7 @@ bool psp_v3_1_compare_sram_data(struct psp_context *psp,
 	return true;
 }
 
-bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
+static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
 {
 	struct amdgpu_device *adev = psp->adev;
 	uint32_t reg;
@@ -541,7 +546,7 @@ bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
 	return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false;
 }
 
-int psp_v3_1_mode1_reset(struct psp_context *psp)
+static int psp_v3_1_mode1_reset(struct psp_context *psp)
 {
 	int ret;
 	uint32_t offset;
@@ -574,3 +579,23 @@ int psp_v3_1_mode1_reset(struct psp_context *psp)
 
 	return 0;
 }
+
+static const struct psp_funcs psp_v3_1_funcs = {
+	.init_microcode = psp_v3_1_init_microcode,
+	.bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv,
+	.bootloader_load_sos = psp_v3_1_bootloader_load_sos,
+	.prep_cmd_buf = psp_v3_1_prep_cmd_buf,
+	.ring_init = psp_v3_1_ring_init,
+	.ring_create = psp_v3_1_ring_create,
+	.ring_stop = psp_v3_1_ring_stop,
+	.ring_destroy = psp_v3_1_ring_destroy,
+	.cmd_submit = psp_v3_1_cmd_submit,
+	.compare_sram_data = psp_v3_1_compare_sram_data,
+	.smu_reload_quirk = psp_v3_1_smu_reload_quirk,
+	.mode1_reset = psp_v3_1_mode1_reset,
+};
+
+void psp_v3_1_set_psp_funcs(struct psp_context *psp)
+{
+	psp->funcs = &psp_v3_1_funcs;
+}