| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #define R_ICLK_PCR_CAMERA1 0x8000 |
| #define B_ICLK_PCR_FREQUENCY 0x3 |
| #define B_ICLK_PCR_REQUEST 0x4 |
| |
| /* The clock control registers for each IMGCLK are offset by 0xC */ |
| #define B_ICLK_PCR_OFFSET 0xC |
| |
| Scope (\_SB.PCI0) { |
| |
| /* IsCLK PCH base register for clock settings */ |
| Name (ICKB, 0) |
| ICKB = PCRB (PID_ISCLK) + R_ICLK_PCR_CAMERA1 |
| /* |
| * Helper function for Read And Or Write |
| * Arg0 : Clock source select |
| * Arg1 : And data |
| * Arg2 : Or data |
| */ |
| Method (RAOW, 3, Serialized) |
| { |
| OperationRegion (ICLK, SystemMemory, (ICKB + (Arg0 * B_ICLK_PCR_OFFSET)), 4) |
| Field (ICLK, AnyAcc, NoLock, Preserve) |
| { |
| VAL0, 32 |
| } |
| Local0 = VAL0 |
| VAL0 = Local0 & Arg1 | Arg2 |
| } |
| |
| /* |
| * Clock control Method |
| * Arg0: Clock source select (0 .. 5 => IMGCLKOUT_0 .. IMGCLKOUT_5) |
| * Arg1: Frequency select |
| * 2'b00 - 19p2 XTAL |
| * 2'b01 - 19p2 IMG |
| * 2'b10 - 19p2 RTC |
| * 2'b11 - 24 IMG |
| */ |
| Method (MCON, 0x2, NotSerialized) |
| { |
| /* Set Clock Frequency */ |
| RAOW (Arg0, ~B_ICLK_PCR_FREQUENCY, Arg1) |
| |
| /* Enable Clock */ |
| RAOW (Arg0, ~B_ICLK_PCR_REQUEST, B_ICLK_PCR_REQUEST) |
| } |
| |
| Method (MCOF, 0x1, NotSerialized) |
| { |
| /* Disable Clock */ |
| RAOW (Arg0, ~B_ICLK_PCR_REQUEST, 0) |
| } |
| } |