drivers/mailbox/apple-mailbox.c

35 #define APPLE_ASC_MBOX_A2I_CONTROL 0x110
36 #define APPLE_ASC_MBOX_A2I_SEND0   0x800
37 #define APPLE_ASC_MBOX_A2I_SEND1   0x808
38 #define APPLE_ASC_MBOX_A2I_RECV0   0x810
39 #define APPLE_ASC_MBOX_A2I_RECV1   0x818
41 #define APPLE_ASC_MBOX_I2A_CONTROL 0x114
42 #define APPLE_ASC_MBOX_I2A_SEND0   0x820
43 #define APPLE_ASC_MBOX_I2A_SEND1   0x828
44 #define APPLE_ASC_MBOX_I2A_RECV0   0x830
45 #define APPLE_ASC_MBOX_I2A_RECV1   0x838
50 #define APPLE_M3_MBOX_A2I_CONTROL 0x50
51 #define APPLE_M3_MBOX_A2I_SEND0	  0x60
52 #define APPLE_M3_MBOX_A2I_SEND1	  0x68
53 #define APPLE_M3_MBOX_A2I_RECV0	  0x70
54 #define APPLE_M3_MBOX_A2I_RECV1	  0x78
56 #define APPLE_M3_MBOX_I2A_CONTROL 0x80
57 #define APPLE_M3_MBOX_I2A_SEND0	  0x90
58 #define APPLE_M3_MBOX_I2A_SEND1	  0x98
59 #define APPLE_M3_MBOX_I2A_RECV0	  0xa0
60 #define APPLE_M3_MBOX_I2A_RECV1	  0xa8
62 #define APPLE_M3_MBOX_IRQ_ENABLE	0x48
63 #define APPLE_M3_MBOX_IRQ_ACK		0x4c
64 #define APPLE_M3_MBOX_IRQ_A2I_EMPTY	BIT(0)
73 #define APPLE_MBOX_MSG1_MSG    GENMASK(31, 0)
138 	return 0;  in apple_mbox_hw_send()
162 	return 0;  in apple_mbox_hw_recv()
190 	return 0;  in apple_mbox_chan_send_data()
205 	mbox_chan_txdone(&apple_mbox->chan, 0);  in apple_mbox_send_empty_irq()
212 	int ret = 0;  in apple_mbox_poll()
214 	while (apple_mbox_hw_recv(apple_mbox, &msg) == 0) {  in apple_mbox_poll()
256 	return ret > 0;  in apple_mbox_chan_peek_data()
266 			mbox_chan_txdone(&apple_mbox->chan, 0);  in apple_mbox_chan_flush()
267 			return 0;  in apple_mbox_chan_flush()
295 	return 0;  in apple_mbox_chan_startup()
316 	if (args->args_count != 0)  in apple_mbox_of_xlate()
319 	return &mbox->chans[0];  in apple_mbox_of_xlate()
342 	mbox->regs = devm_platform_ioremap_resource(pdev, 0);  in apple_mbox_probe()
349 	if (mbox->irq_recv_not_empty < 0)  in apple_mbox_probe()
353 	if (mbox->irq_send_empty < 0)  in apple_mbox_probe()