10 static int gen6_check_mailbox_status(u32 mbox)  in gen6_check_mailbox_status()  argument
12 	switch (mbox & GEN6_PCODE_ERROR_MASK) {  in gen6_check_mailbox_status()
25 		MISSING_CASE(mbox & GEN6_PCODE_ERROR_MASK);  in gen6_check_mailbox_status()
30 static int gen7_check_mailbox_status(u32 mbox)  in gen7_check_mailbox_status()  argument
32 	switch (mbox & GEN6_PCODE_ERROR_MASK) {  in gen7_check_mailbox_status()
50 		MISSING_CASE(mbox & GEN6_PCODE_ERROR_MASK);  in gen7_check_mailbox_status()
55 static int __snb_pcode_rw(struct intel_uncore *uncore, u32 mbox,  in __snb_pcode_rw()  argument
74 			      GEN6_PCODE_MAILBOX, GEN6_PCODE_READY | mbox);  in __snb_pcode_rw()
81 					 &mbox))  in __snb_pcode_rw()
90 		return gen7_check_mailbox_status(mbox);  in __snb_pcode_rw()
92 		return gen6_check_mailbox_status(mbox);  in __snb_pcode_rw()
95 int snb_pcode_read(struct intel_uncore *uncore, u32 mbox, u32 *val, u32 *val1)  in snb_pcode_read()  argument
100 	err = __snb_pcode_rw(uncore, mbox, val, val1, 500, 20, true);  in snb_pcode_read()
105 			"warning: pcode (read from mbox %x) mailbox access failed for %ps: %d\n",  in snb_pcode_read()
106 			mbox, __builtin_return_address(0), err);  in snb_pcode_read()
112 int snb_pcode_write_timeout(struct intel_uncore *uncore, u32 mbox, u32 val,  in snb_pcode_write_timeout()  argument
118 	err = __snb_pcode_rw(uncore, mbox, &val, NULL,  in snb_pcode_write_timeout()
124 			"warning: pcode (write of 0x%08x to mbox %x) mailbox access failed for %ps: %d\n",  in snb_pcode_write_timeout()
125 			val, mbox, __builtin_return_address(0), err);  in snb_pcode_write_timeout()
131 static bool skl_pcode_try_request(struct intel_uncore *uncore, u32 mbox,  in skl_pcode_try_request()  argument
135 	*status = __snb_pcode_rw(uncore, mbox, &request, NULL, 500, 0, true);  in skl_pcode_try_request()
143  * @mbox: PCODE mailbox ID the request is targeted for
149  * Keep resending the @request to @mbox until PCODE acknowledges it, PCODE
159 int skl_pcode_request(struct intel_uncore *uncore, u32 mbox, u32 request,  in skl_pcode_request()  argument
168 	skl_pcode_try_request(uncore, mbox, request, reply_mask, reply, &status)  in skl_pcode_request()
221 	u32 mbox;  in snb_pcode_read_p()  local
224 	mbox = REG_FIELD_PREP(GEN6_PCODE_MB_COMMAND, mbcmd)  in snb_pcode_read_p()
229 		err = snb_pcode_read(uncore, mbox, val, NULL);  in snb_pcode_read_p()
237 	u32 mbox;  in snb_pcode_write_p()  local
240 	mbox = REG_FIELD_PREP(GEN6_PCODE_MB_COMMAND, mbcmd)  in snb_pcode_write_p()
245 		err = snb_pcode_write(uncore, mbox, val);  in snb_pcode_write_p()