449fcf3ab0
Here is the "big" staging and IIO driver update for 4.15-rc1. Lots and lots of little changes, almost all minor code cleanups as the Outreachy application process happened during this development cycle. Also happened was a lot of IIO driver activity, and the typec USB code moving out of staging to drivers/usb (same commits are in the USB tree on a persistent branch to not cause merge issues.) Overall, it's a wash, I think we added a few hundred more lines than removed, but really only a few thousand were modified at all. All of these have been in linux-next for a while. There might be a merge issue with Al's vfs tree in the pi433 driver (take his changes, they are always better), and the media tree with some of the odd atomisp cleanups (take the media tree's version). Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWgnFrg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymxbwCgtNlBkqD2JJYpLRKvI/C4w1vzZsEAnA2THRkt g3ioPBqmqC/2DSbldr2o =/ebw -----END PGP SIGNATURE----- Merge tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging and IIO updates from Greg KH: "Here is the "big" staging and IIO driver update for 4.15-rc1. Lots and lots of little changes, almost all minor code cleanups as the Outreachy application process happened during this development cycle. Also happened was a lot of IIO driver activity, and the typec USB code moving out of staging to drivers/usb (same commits are in the USB tree on a persistent branch to not cause merge issues.) Overall, it's a wash, I think we added a few hundred more lines than removed, but really only a few thousand were modified at all. All of these have been in linux-next for a while. There might be a merge issue with Al's vfs tree in the pi433 driver (take his changes, they are always better), and the media tree with some of the odd atomisp cleanups (take the media tree's version)" * tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (507 commits) staging: lustre: add SPDX identifiers to all lustre files staging: greybus: Remove redundant license text staging: greybus: add SPDX identifiers to all greybus driver files staging: ccree: simplify ioread/iowrite staging: ccree: simplify registers access staging: ccree: simplify error handling logic staging: ccree: remove dead code staging: ccree: handle limiting of DMA masks staging: ccree: copy IV to DMAable memory staging: fbtft: remove redundant initialization of buf staging: sm750fb: Fix parameter mistake in poke32 staging: wilc1000: Fix bssid buffer offset in Txq staging: fbtft: fb_ssd1331: fix mirrored display staging: android: Fix checkpatch.pl error staging: greybus: loopback: convert loopback to use generic async operations staging: greybus: operation: add private data with get/set accessors staging: greybus: loopback: Fix iteration count on async path staging: greybus: loopback: Hold per-connection mutex across operations staging: greybus/loopback: use ktime_get() for time intervals staging: fsl-dpaa2/eth: Extra headroom in RX buffers ...
146 lines
2.8 KiB
C
146 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "ddk750_chip.h"
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#include "ddk750_reg.h"
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#include "ddk750_power.h"
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void ddk750_set_dpms(enum dpms state)
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{
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unsigned int value;
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if (sm750_get_chip_type() == SM750LE) {
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value = peek32(CRT_DISPLAY_CTRL) & ~CRT_DISPLAY_CTRL_DPMS_MASK;
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value |= (state << CRT_DISPLAY_CTRL_DPMS_SHIFT);
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poke32(CRT_DISPLAY_CTRL, value);
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} else {
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value = peek32(SYSTEM_CTRL);
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value = (value & ~SYSTEM_CTRL_DPMS_MASK) | state;
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poke32(SYSTEM_CTRL, value);
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}
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}
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static unsigned int get_power_mode(void)
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{
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if (sm750_get_chip_type() == SM750LE)
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return 0;
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return peek32(POWER_MODE_CTRL) & POWER_MODE_CTRL_MODE_MASK;
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}
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/*
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* SM50x can operate in one of three modes: 0, 1 or Sleep.
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* On hardware reset, power mode 0 is default.
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*/
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void sm750_set_power_mode(unsigned int mode)
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{
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unsigned int ctrl = 0;
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ctrl = peek32(POWER_MODE_CTRL) & ~POWER_MODE_CTRL_MODE_MASK;
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if (sm750_get_chip_type() == SM750LE)
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return;
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switch (mode) {
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case POWER_MODE_CTRL_MODE_MODE0:
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ctrl |= POWER_MODE_CTRL_MODE_MODE0;
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break;
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case POWER_MODE_CTRL_MODE_MODE1:
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ctrl |= POWER_MODE_CTRL_MODE_MODE1;
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break;
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case POWER_MODE_CTRL_MODE_SLEEP:
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ctrl |= POWER_MODE_CTRL_MODE_SLEEP;
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break;
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default:
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break;
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}
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/* Set up other fields in Power Control Register */
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if (mode == POWER_MODE_CTRL_MODE_SLEEP) {
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ctrl &= ~POWER_MODE_CTRL_OSC_INPUT;
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#ifdef VALIDATION_CHIP
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ctrl &= ~POWER_MODE_CTRL_336CLK;
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#endif
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} else {
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ctrl |= POWER_MODE_CTRL_OSC_INPUT;
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#ifdef VALIDATION_CHIP
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ctrl |= POWER_MODE_CTRL_336CLK;
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#endif
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}
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/* Program new power mode. */
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poke32(POWER_MODE_CTRL, ctrl);
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}
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void sm750_set_current_gate(unsigned int gate)
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{
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if (get_power_mode() == POWER_MODE_CTRL_MODE_MODE1)
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poke32(MODE1_GATE, gate);
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else
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poke32(MODE0_GATE, gate);
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}
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/*
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* This function enable/disable the 2D engine.
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*/
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void sm750_enable_2d_engine(unsigned int enable)
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{
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u32 gate;
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gate = peek32(CURRENT_GATE);
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if (enable)
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gate |= (CURRENT_GATE_DE | CURRENT_GATE_CSC);
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else
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gate &= ~(CURRENT_GATE_DE | CURRENT_GATE_CSC);
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sm750_set_current_gate(gate);
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}
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void sm750_enable_dma(unsigned int enable)
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{
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u32 gate;
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/* Enable DMA Gate */
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gate = peek32(CURRENT_GATE);
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if (enable)
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gate |= CURRENT_GATE_DMA;
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else
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gate &= ~CURRENT_GATE_DMA;
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sm750_set_current_gate(gate);
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}
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/*
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* This function enable/disable the GPIO Engine
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*/
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void sm750_enable_gpio(unsigned int enable)
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{
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u32 gate;
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/* Enable GPIO Gate */
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gate = peek32(CURRENT_GATE);
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if (enable)
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gate |= CURRENT_GATE_GPIO;
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else
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gate &= ~CURRENT_GATE_GPIO;
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sm750_set_current_gate(gate);
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}
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/*
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* This function enable/disable the I2C Engine
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*/
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void sm750_enable_i2c(unsigned int enable)
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{
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u32 gate;
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/* Enable I2C Gate */
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gate = peek32(CURRENT_GATE);
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if (enable)
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gate |= CURRENT_GATE_I2C;
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else
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gate &= ~CURRENT_GATE_I2C;
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sm750_set_current_gate(gate);
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}
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