media: iris: Split power on per variants

Current devices use same power up sequence, but starting with Qualcomm
SM8750 (VPU v3.5) the sequence will grow quite a bit, so allow
customizing it. No functional change so far for existing devices.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Dikshita Agarwal <[e-mail]>
Reviewed-by: Bryan O'Donoghue <[e-mail]>
Signed-off-by: Bryan O'Donoghue <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/platform/qcom/iris/iris_vpu2.c

···
 
 const struct vpu_ops iris_vpu2_ops = {
 	.power_off_hw = iris_vpu_power_off_hw,
+	.power_on_hw = iris_vpu_power_on_hw,
 	.power_off_controller = iris_vpu_power_off_controller,
+	.power_on_controller = iris_vpu_power_on_controller,
 	.calc_freq = iris_vpu2_calc_freq,
 };

drivers/media/platform/qcom/iris/iris_vpu3x.c

···
 
 const struct vpu_ops iris_vpu3_ops = {
 	.power_off_hw = iris_vpu3_power_off_hardware,
+	.power_on_hw = iris_vpu_power_on_hw,
 	.power_off_controller = iris_vpu_power_off_controller,
+	.power_on_controller = iris_vpu_power_on_controller,
 	.calc_freq = iris_vpu3x_calculate_frequency,
 };
 
 const struct vpu_ops iris_vpu33_ops = {
 	.power_off_hw = iris_vpu33_power_off_hardware,
+	.power_on_hw = iris_vpu_power_on_hw,
 	.power_off_controller = iris_vpu33_power_off_controller,
+	.power_on_controller = iris_vpu_power_on_controller,
 	.calc_freq = iris_vpu3x_calculate_frequency,
 };

drivers/media/platform/qcom/iris/iris_vpu_common.c

···
 		disable_irq_nosync(core->irq);
 }
 
-static int iris_vpu_power_on_controller(struct iris_core *core)
+int iris_vpu_power_on_controller(struct iris_core *core)
 {
 	u32 rst_tbl_size = core->iris_platform_data->clk_rst_tbl_size;
 	int ret;
···
 	return ret;
 }
 
-static int iris_vpu_power_on_hw(struct iris_core *core)
+int iris_vpu_power_on_hw(struct iris_core *core)
 {
 	int ret;
 
···
 	if (ret)
 		goto err;
 
-	ret = iris_vpu_power_on_controller(core);
+	ret = core->iris_platform_data->vpu_ops->power_on_controller(core);
 	if (ret)
 		goto err_unvote_icc;
 
-	ret = iris_vpu_power_on_hw(core);
+	ret = core->iris_platform_data->vpu_ops->power_on_hw(core);
 	if (ret)
 		goto err_power_off_ctrl;
 

drivers/media/platform/qcom/iris/iris_vpu_common.h

···
 
 struct vpu_ops {
 	void (*power_off_hw)(struct iris_core *core);
+	int (*power_on_hw)(struct iris_core *core);
 	int (*power_off_controller)(struct iris_core *core);
+	int (*power_on_controller)(struct iris_core *core);
 	u64 (*calc_freq)(struct iris_inst *inst, size_t data_size);
 };
 
···
 void iris_vpu_clear_interrupt(struct iris_core *core);
 int iris_vpu_watchdog(struct iris_core *core, u32 intr_status);
 int iris_vpu_prepare_pc(struct iris_core *core);
+int iris_vpu_power_on_controller(struct iris_core *core);
+int iris_vpu_power_on_hw(struct iris_core *core);
 int iris_vpu_power_on(struct iris_core *core);
 int iris_vpu_power_off_controller(struct iris_core *core);
 void iris_vpu_power_off_hw(struct iris_core *core);