diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/vlv_dsi_pll_regs.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/vlv_dsi_pll_regs.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_pll_regs.h b/drivers/gpu/drm/i915/display/vlv_dsi_pll_regs.h new file mode 100644 index 000000000..45590e14e --- /dev/null +++ b/drivers/gpu/drm/i915/display/vlv_dsi_pll_regs.h @@ -0,0 +1,109 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef __VLV_DSI_PLL_REGS_H__ +#define __VLV_DSI_PLL_REGS_H__ + +#include "vlv_dsi_regs.h" + +#define MIPIO_TXESC_CLK_DIV1 _MMIO(0x160004) +#define GLK_TX_ESC_CLK_DIV1_MASK 0x3FF +#define MIPIO_TXESC_CLK_DIV2 _MMIO(0x160008) +#define GLK_TX_ESC_CLK_DIV2_MASK 0x3FF + +#define BXT_MAX_VAR_OUTPUT_KHZ 39500 + +#define BXT_MIPI_CLOCK_CTL _MMIO(0x46090) +#define BXT_MIPI1_DIV_SHIFT 26 +#define BXT_MIPI2_DIV_SHIFT 10 +#define BXT_MIPI_DIV_SHIFT(port) \ + _MIPI_PORT(port, BXT_MIPI1_DIV_SHIFT, \ + BXT_MIPI2_DIV_SHIFT) + +/* TX control divider to select actual TX clock output from (8x/var) */ +#define BXT_MIPI1_TX_ESCLK_SHIFT 26 +#define BXT_MIPI2_TX_ESCLK_SHIFT 10 +#define BXT_MIPI_TX_ESCLK_SHIFT(port) \ + _MIPI_PORT(port, BXT_MIPI1_TX_ESCLK_SHIFT, \ + BXT_MIPI2_TX_ESCLK_SHIFT) +#define BXT_MIPI1_TX_ESCLK_FIXDIV_MASK (0x3F << 26) +#define BXT_MIPI2_TX_ESCLK_FIXDIV_MASK (0x3F << 10) +#define BXT_MIPI_TX_ESCLK_FIXDIV_MASK(port) \ + _MIPI_PORT(port, BXT_MIPI1_TX_ESCLK_FIXDIV_MASK, \ + BXT_MIPI2_TX_ESCLK_FIXDIV_MASK) +#define BXT_MIPI_TX_ESCLK_DIVIDER(port, val) \ + (((val) & 0x3F) << BXT_MIPI_TX_ESCLK_SHIFT(port)) +/* RX upper control divider to select actual RX clock output from 8x */ +#define BXT_MIPI1_RX_ESCLK_UPPER_SHIFT 21 +#define BXT_MIPI2_RX_ESCLK_UPPER_SHIFT 5 +#define BXT_MIPI_RX_ESCLK_UPPER_SHIFT(port) \ + _MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_UPPER_SHIFT, \ + BXT_MIPI2_RX_ESCLK_UPPER_SHIFT) +#define BXT_MIPI1_RX_ESCLK_UPPER_FIXDIV_MASK (3 << 21) +#define BXT_MIPI2_RX_ESCLK_UPPER_FIXDIV_MASK (3 << 5) +#define BXT_MIPI_RX_ESCLK_UPPER_FIXDIV_MASK(port) \ + _MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_UPPER_FIXDIV_MASK, \ + BXT_MIPI2_RX_ESCLK_UPPER_FIXDIV_MASK) +#define BXT_MIPI_RX_ESCLK_UPPER_DIVIDER(port, val) \ + (((val) & 3) << BXT_MIPI_RX_ESCLK_UPPER_SHIFT(port)) +/* 8/3X divider to select the actual 8/3X clock output from 8x */ +#define BXT_MIPI1_8X_BY3_SHIFT 19 +#define BXT_MIPI2_8X_BY3_SHIFT 3 +#define BXT_MIPI_8X_BY3_SHIFT(port) \ + _MIPI_PORT(port, BXT_MIPI1_8X_BY3_SHIFT, \ + BXT_MIPI2_8X_BY3_SHIFT) +#define BXT_MIPI1_8X_BY3_DIVIDER_MASK (3 << 19) +#define BXT_MIPI2_8X_BY3_DIVIDER_MASK (3 << 3) +#define BXT_MIPI_8X_BY3_DIVIDER_MASK(port) \ + _MIPI_PORT(port, BXT_MIPI1_8X_BY3_DIVIDER_MASK, \ + BXT_MIPI2_8X_BY3_DIVIDER_MASK) +#define BXT_MIPI_8X_BY3_DIVIDER(port, val) \ + (((val) & 3) << BXT_MIPI_8X_BY3_SHIFT(port)) +/* RX lower control divider to select actual RX clock output from 8x */ +#define BXT_MIPI1_RX_ESCLK_LOWER_SHIFT 16 +#define BXT_MIPI2_RX_ESCLK_LOWER_SHIFT 0 +#define BXT_MIPI_RX_ESCLK_LOWER_SHIFT(port) \ + _MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_LOWER_SHIFT, \ + BXT_MIPI2_RX_ESCLK_LOWER_SHIFT) +#define BXT_MIPI1_RX_ESCLK_LOWER_FIXDIV_MASK (3 << 16) +#define BXT_MIPI2_RX_ESCLK_LOWER_FIXDIV_MASK (3 << 0) +#define BXT_MIPI_RX_ESCLK_LOWER_FIXDIV_MASK(port) \ + _MIPI_PORT(port, BXT_MIPI1_RX_ESCLK_LOWER_FIXDIV_MASK, \ + BXT_MIPI2_RX_ESCLK_LOWER_FIXDIV_MASK) +#define BXT_MIPI_RX_ESCLK_LOWER_DIVIDER(port, val) \ + (((val) & 3) << BXT_MIPI_RX_ESCLK_LOWER_SHIFT(port)) + +#define RX_DIVIDER_BIT_1_2 0x3 +#define RX_DIVIDER_BIT_3_4 0xC + +#define BXT_DSI_PLL_CTL _MMIO(0x161000) +#define BXT_DSI_PLL_PVD_RATIO_SHIFT 16 +#define BXT_DSI_PLL_PVD_RATIO_MASK (3 << BXT_DSI_PLL_PVD_RATIO_SHIFT) +#define BXT_DSI_PLL_PVD_RATIO_1 (1 << BXT_DSI_PLL_PVD_RATIO_SHIFT) +#define BXT_DSIC_16X_BY1 (0 << 10) +#define BXT_DSIC_16X_BY2 (1 << 10) +#define BXT_DSIC_16X_BY3 (2 << 10) +#define BXT_DSIC_16X_BY4 (3 << 10) +#define BXT_DSIC_16X_MASK (3 << 10) +#define BXT_DSIA_16X_BY1 (0 << 8) +#define BXT_DSIA_16X_BY2 (1 << 8) +#define BXT_DSIA_16X_BY3 (2 << 8) +#define BXT_DSIA_16X_BY4 (3 << 8) +#define BXT_DSIA_16X_MASK (3 << 8) +#define BXT_DSI_FREQ_SEL_SHIFT 8 +#define BXT_DSI_FREQ_SEL_MASK (0xF << BXT_DSI_FREQ_SEL_SHIFT) + +#define BXT_DSI_PLL_RATIO_MAX 0x7D +#define BXT_DSI_PLL_RATIO_MIN 0x22 +#define GLK_DSI_PLL_RATIO_MAX 0x6F +#define GLK_DSI_PLL_RATIO_MIN 0x22 +#define BXT_DSI_PLL_RATIO_MASK 0xFF +#define BXT_REF_CLOCK_KHZ 19200 + +#define BXT_DSI_PLL_ENABLE _MMIO(0x46080) +#define BXT_DSI_PLL_DO_ENABLE (1 << 31) +#define BXT_DSI_PLL_LOCKED (1 << 30) + +#endif /* __VLV_DSI_PLL_REGS_H__ */ |