| |
| /* |
| * drivers/vpu/aml_vpu.c |
| * |
| * Copyright (C) 2015 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| #include <asm/cpu_id.h> |
| #include <config.h> |
| #include <linux/kernel.h> |
| #ifdef CONFIG_OF_LIBFDT |
| #include <libfdt.h> |
| #endif |
| #include <vpu.h> |
| #include "aml_vpu_reg.h" |
| #include "aml_vpu.h" |
| #include "aml_vpu_ctrl.h" |
| |
| /* v04: add txlx support */ |
| /* v05: add axg support */ |
| /* v06: add g12a support */ |
| /* v20180925: add tl1 support */ |
| /* v20190313: add sm1 support */ |
| #define VPU_VERION "v20190313" |
| |
| #ifdef CONFIG_OF_LIBFDT |
| static char *dt_addr; |
| #endif |
| static int dts_ready = 0; |
| |
| struct vpu_conf_s vpu_conf = { |
| .data = NULL, |
| |
| .clk_level = 0, |
| .fclk_freq = FCLK_2000M, |
| }; |
| |
| static struct vpu_data_s vpu_data_gxb = { |
| .chip_type = VPU_CHIP_GXBB, |
| .chip_name = "gxbb", |
| .clk_level_dft = CLK_LEVEL_DFT_GXBB, |
| .clk_level_max = CLK_LEVEL_MAX_GXBB, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_gxb, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_gxtvbb = { |
| .chip_type = VPU_CHIP_GXTVBB, |
| .chip_name = "gxtvbb", |
| .clk_level_dft = CLK_LEVEL_DFT_GXTVBB, |
| .clk_level_max = CLK_LEVEL_MAX_GXTVBB, |
| .gp_pll_valid = 1, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_gxb, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_gxl = { |
| .chip_type = VPU_CHIP_GXL, |
| .chip_name = "gxl", |
| .clk_level_dft = CLK_LEVEL_DFT_GXL, |
| .clk_level_max = CLK_LEVEL_MAX_GXL, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_gxb, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_gxm = { |
| .chip_type = VPU_CHIP_GXM, |
| .chip_name = "gxm", |
| .clk_level_dft = CLK_LEVEL_DFT_GXM, |
| .clk_level_max = CLK_LEVEL_MAX_GXM, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_gxb, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = sizeof(vpu_module_init_gxm) / sizeof(struct vpu_ctrl_s), |
| .module_init_table = vpu_module_init_gxm, |
| }; |
| |
| static struct vpu_data_s vpu_data_txl = { |
| .chip_type = VPU_CHIP_TXL, |
| .chip_name = "txl", |
| .clk_level_dft = CLK_LEVEL_DFT_TXLX, |
| .clk_level_max = CLK_LEVEL_MAX_TXLX, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_gxb, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_txlx = { |
| .chip_type = VPU_CHIP_TXLX, |
| .chip_name = "txlx", |
| .clk_level_dft = CLK_LEVEL_DFT_TXLX, |
| .clk_level_max = CLK_LEVEL_MAX_TXLX, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_gxb, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = sizeof(vpu_module_init_txlx) / sizeof(struct vpu_ctrl_s), |
| .module_init_table = vpu_module_init_txlx, |
| }; |
| |
| static struct vpu_data_s vpu_data_axg = { |
| .chip_type = VPU_CHIP_AXG, |
| .chip_name = "axg", |
| .clk_level_dft = CLK_LEVEL_DFT_AXG, |
| .clk_level_max = CLK_LEVEL_MAX_AXG, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_axg, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_txhd = { |
| .chip_type = VPU_CHIP_TXHD, |
| .chip_name = "txhd", |
| .clk_level_dft = CLK_LEVEL_DFT_TXHD, |
| .clk_level_max = CLK_LEVEL_MAX_TXHD, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_gxb, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_txhd, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_txhd, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_g12a = { |
| .chip_type = VPU_CHIP_G12A, |
| .chip_name = "g12a", |
| .clk_level_dft = CLK_LEVEL_DFT_G12A, |
| .clk_level_max = CLK_LEVEL_MAX_G12A, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_g12a, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_g12a, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = sizeof(vpu_module_init_g12a) / sizeof(struct vpu_ctrl_s), |
| .module_init_table = vpu_module_init_g12a, |
| }; |
| |
| static struct vpu_data_s vpu_data_g12b = { |
| .chip_type = VPU_CHIP_G12B, |
| .chip_name = "g12b", |
| .clk_level_dft = CLK_LEVEL_DFT_G12A, |
| .clk_level_max = CLK_LEVEL_MAX_G12A, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_g12a, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_g12b, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = sizeof(vpu_module_init_g12a) / sizeof(struct vpu_ctrl_s), |
| .module_init_table = vpu_module_init_g12a, |
| }; |
| |
| static struct vpu_data_s vpu_data_tl1 = { |
| .chip_type = VPU_CHIP_TL1, |
| .chip_name = "tl1", |
| .clk_level_dft = CLK_LEVEL_DFT_G12A, |
| .clk_level_max = CLK_LEVEL_MAX_G12A, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_g12a, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_tl1, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_gxb, |
| .reset_table = vpu_reset_tl1, |
| |
| .module_init_table_cnt = 0, |
| .module_init_table = NULL, |
| }; |
| |
| static struct vpu_data_s vpu_data_sm1 = { |
| .chip_type = VPU_CHIP_SM1, |
| .chip_name = "sm1", |
| .clk_level_dft = CLK_LEVEL_DFT_G12A, |
| .clk_level_max = CLK_LEVEL_MAX_G12A, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_g12a, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_tl1, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_sm1, |
| .reset_table = vpu_reset_gx, |
| |
| .module_init_table_cnt = sizeof(vpu_module_init_g12a) / sizeof(struct vpu_ctrl_s), |
| .module_init_table = vpu_module_init_g12a, |
| |
| }; |
| |
| |
| static struct vpu_data_s vpu_data_tm2 = { |
| .chip_type = VPU_CHIP_TM2, |
| .chip_name = "tm2", |
| .clk_level_dft = CLK_LEVEL_DFT_G12A, |
| .clk_level_max = CLK_LEVEL_MAX_G12A, |
| .gp_pll_valid = 0, |
| |
| .fclk_div_table = fclk_div_table_g12a, |
| .vpu_clk_table = vpu_clk_table, |
| |
| .mem_pd_table = vpu_mem_pd_tm2, |
| .hdmi_iso_pre_table = vpu_hdmi_iso_pre_gxb, |
| .hdmi_iso_table = vpu_hdmi_iso_sm1, |
| .reset_table = vpu_reset_tl1, |
| |
| .module_init_table_cnt = sizeof(vpu_module_init_tm2) / sizeof(struct vpu_ctrl_s), |
| .module_init_table = vpu_module_init_tm2, |
| }; |
| |
| static void vpu_chip_detect(void) |
| { |
| unsigned int cpu_type; |
| |
| cpu_type = get_cpu_id().family_id; |
| switch (cpu_type) { |
| case MESON_CPU_MAJOR_ID_GXBB: |
| vpu_conf.data = &vpu_data_gxb; |
| break; |
| case MESON_CPU_MAJOR_ID_GXTVBB: |
| vpu_conf.data = &vpu_data_gxtvbb; |
| break; |
| case MESON_CPU_MAJOR_ID_GXL: |
| vpu_conf.data = &vpu_data_gxl; |
| break; |
| case MESON_CPU_MAJOR_ID_GXM: |
| vpu_conf.data = &vpu_data_gxm; |
| break; |
| case MESON_CPU_MAJOR_ID_TXL: |
| vpu_conf.data = &vpu_data_txl; |
| break; |
| case MESON_CPU_MAJOR_ID_TXLX: |
| vpu_conf.data = &vpu_data_txlx; |
| break; |
| case MESON_CPU_MAJOR_ID_AXG: |
| vpu_conf.data = &vpu_data_axg; |
| break; |
| case MESON_CPU_MAJOR_ID_TXHD: |
| vpu_conf.data = &vpu_data_txhd; |
| break; |
| case MESON_CPU_MAJOR_ID_G12A: |
| vpu_conf.data = &vpu_data_g12a; |
| break; |
| case MESON_CPU_MAJOR_ID_G12B: |
| vpu_conf.data = &vpu_data_g12b; |
| break; |
| case MESON_CPU_MAJOR_ID_TL1: |
| vpu_conf.data = &vpu_data_tl1; |
| break; |
| case MESON_CPU_MAJOR_ID_SM1: |
| vpu_conf.data = &vpu_data_sm1; |
| break; |
| case MESON_CPU_MAJOR_ID_TM2: |
| vpu_conf.data = &vpu_data_tm2; |
| break; |
| default: |
| vpu_conf.data = NULL; |
| break; |
| } |
| |
| strcpy(vpu_conf.drv_version, VPU_VERION); |
| |
| if (vpu_conf.data == NULL) { |
| VPUERR("invalid vpu\n"); |
| return ; |
| } else { |
| #ifdef CONFIG_VPU_CLK_LEVEL_DFT |
| vpu_conf.data->clk_level_dft = CONFIG_VPU_CLK_LEVEL_DFT; |
| #endif |
| |
| #ifdef VPU_DEBUG_PRINT |
| VPUPR("driver version: %s\n", vpu_conf.drv_version); |
| VPUPR("detect chip type: %d\n", vpu_conf.data->chip_type); |
| VPUPR("clk_level default: %d(%dHz), max: %d(%dHz)\n", |
| vpu_conf.data->clk_level_dft, |
| (vpu_conf.data->vpu_clk_table + vpu_conf.data->clk_level_dft)->freq, |
| (vpu_conf.data->clk_level_max - 1), |
| (vpu_conf.data->vpu_clk_table + (vpu_conf.data->clk_level_max - 1))->freq); |
| #endif |
| } |
| } |
| |
| static int vpu_check(void) |
| { |
| int ret = -1; |
| |
| if (vpu_conf.data == NULL) { |
| VPUERR("invalid vpu\n"); |
| return -1; |
| } |
| |
| switch (vpu_conf.data->chip_type) { |
| case VPU_CHIP_GXBB: |
| case VPU_CHIP_GXTVBB: |
| case VPU_CHIP_GXL: |
| case VPU_CHIP_GXM: |
| case VPU_CHIP_TXL: |
| case VPU_CHIP_TXLX: |
| case VPU_CHIP_AXG: |
| case VPU_CHIP_TXHD: |
| case VPU_CHIP_G12A: |
| case VPU_CHIP_G12B: |
| case VPU_CHIP_TL1: |
| case VPU_CHIP_SM1: |
| case VPU_CHIP_TM2: |
| ret = 0; |
| break; |
| default: |
| VPUERR("invalid vpu for current chip\n"); |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static unsigned int get_vpu_clk_level(unsigned int video_clk) |
| { |
| unsigned clk_level; |
| int i; |
| |
| for (i = 0; i < vpu_conf.data->clk_level_max; i++) { |
| if (video_clk <= (vpu_conf.data->vpu_clk_table + i)->freq) |
| break; |
| } |
| clk_level = i; |
| |
| return clk_level; |
| } |
| |
| static unsigned long get_fclk_div_freq(unsigned int mux_id) |
| { |
| struct fclk_div_s *fclk_div; |
| unsigned long fclk, div, clk_source = 0; |
| unsigned int i; |
| |
| fclk = vpu_conf.fclk_freq * 1000000; |
| |
| for (i = 0; i < FCLK_DIV_MAX; i++) { |
| fclk_div = vpu_conf.data->fclk_div_table + i; |
| if (fclk_div->fclk_id == mux_id) { |
| div = fclk_div->fclk_div; |
| clk_source = ((fclk * 100 / div) + 99) / 100; |
| break; |
| } |
| if (fclk_div->fclk_id == FCLK_DIV_MAX) |
| break; |
| } |
| |
| return clk_source; |
| } |
| |
| static unsigned int get_vpu_clk_mux_id(void) |
| { |
| struct fclk_div_s *fclk_div; |
| unsigned int i, mux, mux_id; |
| |
| mux = vpu_hiu_getb(HHI_VPU_CLK_CNTL, 9, 3); |
| mux_id = mux; |
| for (i = 0; i < FCLK_DIV_MAX; i++) { |
| fclk_div = vpu_conf.data->fclk_div_table + i; |
| if (fclk_div->fclk_mux == mux) { |
| mux_id = fclk_div->fclk_id; |
| break; |
| } |
| if (fclk_div->fclk_id == FCLK_DIV_MAX) |
| break; |
| } |
| |
| return mux_id; |
| } |
| |
| static unsigned int get_vpu_clk_mux(unsigned int mux_id) |
| { |
| struct fclk_div_s *fclk_div; |
| unsigned int i, mux; |
| |
| mux = mux_id; |
| for (i = 0; i < FCLK_DIV_MAX; i++) { |
| fclk_div = vpu_conf.data->fclk_div_table + i; |
| if (fclk_div->fclk_id == mux_id) { |
| mux = fclk_div->fclk_mux; |
| break; |
| } |
| if (fclk_div->fclk_id == FCLK_DIV_MAX) |
| break; |
| } |
| |
| return mux; |
| } |
| |
| static unsigned int get_vpu_clk(void) |
| { |
| unsigned long clk_freq; |
| unsigned long clk_source, div; |
| unsigned int mux_id; |
| |
| mux_id = get_vpu_clk_mux_id(); |
| switch (mux_id) { |
| case FCLK_DIV4: |
| case FCLK_DIV3: |
| case FCLK_DIV5: |
| case FCLK_DIV7: |
| clk_source = get_fclk_div_freq(mux_id); |
| break; |
| case GPLL_CLK: |
| clk_source = (vpu_conf.data->vpu_clk_table + 8)->freq; |
| break; |
| default: |
| clk_source = 0; |
| break; |
| } |
| |
| div = vpu_hiu_getb(HHI_VPU_CLK_CNTL, 0, 7) + 1; |
| clk_freq = ((clk_source * 100 / div) + 99) / 100; |
| |
| return (unsigned int)clk_freq; |
| } |
| |
| static int switch_gp1_pll_gxtvbb(int flag) |
| { |
| int cnt = 100; |
| int ret = 0; |
| |
| if (flag) { /* enable gp1_pll */ |
| /* GP1 DPLL 696MHz output*/ |
| vpu_hiu_write(HHI_GP1_PLL_CNTL2, 0x69c80000); |
| vpu_hiu_write(HHI_GP1_PLL_CNTL3, 0x0a5590c4); |
| vpu_hiu_write(HHI_GP1_PLL_CNTL4, 0x0000500d); |
| vpu_hiu_write(HHI_GP1_PLL_CNTL, 0x6a01023a); |
| vpu_hiu_write(HHI_GP1_PLL_CNTL, 0x4a01023a); |
| do { |
| udelay(10); |
| vpu_hiu_setb(HHI_GP1_PLL_CNTL, 1, 29, 1); /* reset */ |
| udelay(50); |
| /* release reset */ |
| vpu_hiu_setb(HHI_GP1_PLL_CNTL, 0, 29, 1); |
| udelay(50); |
| cnt--; |
| if (cnt == 0) |
| break; |
| } while (vpu_hiu_getb(HHI_GP1_PLL_CNTL, 31, 1) == 0); |
| if (vpu_hiu_getb(HHI_GP1_PLL_CNTL, 31, 1) == 0) { |
| ret = -1; |
| vpu_hiu_setb(HHI_GP1_PLL_CNTL, 0, 30, 1); |
| VPUERR("GP1_PLL lock failed\n"); |
| } |
| } else { /* disable gp1_pll */ |
| vpu_hiu_setb(HHI_GP1_PLL_CNTL, 0, 30, 1); |
| } |
| |
| return ret; |
| } |
| |
| static int switch_gp_pll(int flag) |
| { |
| int ret = -1; |
| |
| if (vpu_conf.data->gp_pll_valid == 0) |
| return ret; |
| |
| switch (vpu_conf.data->chip_type) { |
| case VPU_CHIP_GXTVBB: |
| ret = switch_gp1_pll_gxtvbb(flag); |
| break; |
| default: |
| break; |
| } |
| |
| return ret; |
| } |
| |
| /* unit: MHz */ |
| #define VPU_CLKB_MAX 350 |
| static int adjust_vpu_clk(unsigned int clk_level) |
| { |
| struct vpu_clk_s *clk_table; |
| unsigned int vpu_clk; |
| unsigned int mux, div; |
| int ret = 0; |
| |
| /* vpu clk */ |
| clk_table = vpu_conf.data->vpu_clk_table + clk_level; |
| mux = get_vpu_clk_mux(clk_table->mux); |
| if (mux == GPLL_CLK) { |
| ret = switch_gp_pll(1); |
| if (ret) { |
| clk_level = vpu_conf.data->clk_level_dft; |
| VPUERR("adjust_vpu_clk: gp pll error, use default clk\n"); |
| } |
| } |
| vpu_conf.clk_level = clk_level; |
| clk_table = vpu_conf.data->vpu_clk_table + clk_level; |
| |
| vpu_clk = clk_table->freq; |
| mux = get_vpu_clk_mux(clk_table->mux); |
| div = clk_table->div; |
| |
| vpu_hiu_write(HHI_VPU_CLK_CNTL, ((mux << 9) | (div << 0))); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 1, 8, 1); |
| |
| /* vpu clkb if needed */ |
| switch (vpu_conf.data->chip_type) { |
| case VPU_CHIP_GXBB: |
| case VPU_CHIP_GXTVBB: |
| case VPU_CHIP_GXL: |
| case VPU_CHIP_GXM: |
| case VPU_CHIP_TXL: |
| if (vpu_clk >= (VPU_CLKB_MAX * 1000000)) |
| vpu_hiu_write(HHI_VPU_CLKB_CNTL, ((1 << 8) | (1 << 0))); |
| else |
| vpu_hiu_write(HHI_VPU_CLKB_CNTL, ((1 << 8) | (0 << 0))); |
| break; |
| default: |
| break; |
| } |
| |
| /* vapb clk */ |
| if (vpu_clk >= 250000000) { |
| vpu_hiu_write(HHI_VAPBCLK_CNTL, (1 << 30) | /* turn on ge2d clock */ |
| (0 << 9) | /* clk_sel //250Mhz */ |
| (1 << 0)); /* clk_div */ |
| } else { |
| vpu_hiu_write(HHI_VAPBCLK_CNTL, (1 << 30) | /* turn on ge2d clock */ |
| (clk_table->mux << 9) | /* clk_sel */ |
| (div << 0)); /* clk_div */ |
| } |
| vpu_hiu_setb(HHI_VAPBCLK_CNTL, 1, 8, 1); |
| |
| VPUPR("set clk: %uHz, readback: %uHz(0x%x)\n", |
| vpu_clk, get_vpu_clk(), (vpu_hiu_read(HHI_VPU_CLK_CNTL))); |
| return ret; |
| } |
| |
| static int set_vpu_clk(unsigned int vclk) |
| { |
| int ret = 0; |
| unsigned int clk_level; |
| |
| #ifdef VPU_DEBUG_PRINT |
| VPUPR("%s\n", __func__); |
| #endif |
| |
| if (vclk >= 100) /* regard as vpu_clk */ |
| clk_level = get_vpu_clk_level(vclk); |
| else /* regard as clk_level */ |
| clk_level = vclk; |
| |
| if (clk_level >= vpu_conf.data->clk_level_max) { |
| clk_level = vpu_conf.data->clk_level_dft; |
| VPUPR("clk out of supported range, set to default\n"); |
| } |
| |
| ret = adjust_vpu_clk(clk_level); |
| |
| #ifdef VPU_DEBUG_PRINT |
| VPUPR("%s finish\n", __func__); |
| #endif |
| |
| return ret; |
| } |
| |
| static int get_vpu_config(void) |
| { |
| #ifdef CONFIG_OF_LIBFDT |
| int nodeoffset; |
| char *propdata; |
| #endif |
| |
| if (dts_ready == 1) { |
| #ifdef CONFIG_OF_LIBFDT |
| nodeoffset = fdt_path_offset(dt_addr, "/vpu"); |
| if (nodeoffset < 0) { |
| VPUERR("not find /vpu node in dts %s\n", fdt_strerror(nodeoffset)); |
| return -1; |
| } |
| |
| propdata = (char *)fdt_getprop(dt_addr, nodeoffset, "clk_level", NULL); |
| if (propdata == NULL) { |
| vpu_conf.clk_level = vpu_conf.data->clk_level_dft; |
| VPUERR("don't find clk_level in dts, set to default\n"); |
| } else { |
| vpu_conf.clk_level = (unsigned short)(be32_to_cpup((u32*)propdata)); |
| if (vpu_conf.clk_level >= vpu_conf.data->clk_level_max) { |
| VPUERR("clk_level in dts is out of support, set to default\n"); |
| vpu_conf.clk_level = vpu_conf.data->clk_level_dft; |
| } |
| } |
| VPUPR("clk_level in dts: %u\n", vpu_conf.clk_level); |
| #endif |
| } else { |
| vpu_conf.clk_level = vpu_conf.data->clk_level_dft; |
| VPUPR("clk_level = %u\n", vpu_conf.clk_level); |
| } |
| |
| return 0; |
| } |
| |
| int vpu_probe(void) |
| { |
| int ret; |
| |
| dts_ready = 0; |
| #ifdef CONFIG_OF_LIBFDT |
| #ifdef CONFIG_DTB_MEM_ADDR |
| dt_addr = (char *)CONFIG_DTB_MEM_ADDR; |
| #else |
| dt_addr = (char *)0x01000000; |
| #endif |
| ret = fdt_check_header((const void *)dt_addr); |
| if (ret < 0) { |
| VPUERR("vpu: check dts: %s, load default parameters\n", |
| fdt_strerror(ret)); |
| } else { |
| dts_ready = 1; |
| } |
| #endif |
| |
| vpu_chip_detect(); |
| if (vpu_check()) |
| return -1; |
| |
| ret = get_vpu_config(); |
| vpu_power_on(); |
| set_vpu_clk(vpu_conf.clk_level); |
| //vpu_power_on(); |
| |
| /* vpu module init off, for power save, and special module init */ |
| vpu_mem_pd_init_off(); |
| vpu_module_init_config(); |
| |
| return ret; |
| } |
| |
| int vpu_remove(void) |
| { |
| if (vpu_check()) |
| return -1; |
| |
| VPUPR("vpu remove\n"); |
| vpu_power_off(); |
| return 0; |
| } |
| |
| static void vpu_clk_switch(void) |
| { |
| struct vpu_clk_s *clk_table; |
| unsigned int mux, div; |
| |
| /* step 1: switch to 2nd vpu clk patch */ |
| clk_table = vpu_conf.data->vpu_clk_table + vpu_conf.data->clk_level_dft; |
| mux = get_vpu_clk_mux(clk_table->mux); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, mux, 25, 3); |
| div = clk_table->div; |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, div, 16, 7); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 1, 24, 1); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 1, 31, 1); |
| udelay(10); |
| /* step 2: adjust 1st vpu clk frequency */ |
| clk_table = vpu_conf.data->vpu_clk_table + vpu_conf.clk_level; |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 0, 8, 1); |
| mux = get_vpu_clk_mux(clk_table->mux); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, mux, 9, 3); |
| div = clk_table->div; |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, div, 0, 7); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 1, 8, 1); |
| udelay(20); |
| /* step 3: switch back to 1st vpu clk patch */ |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 0, 31, 1); |
| vpu_hiu_setb(HHI_VPU_CLK_CNTL, 0, 24, 1); |
| } |
| |
| int vpu_clk_change(int level) |
| { |
| struct vpu_clk_s *clk_table; |
| unsigned int vpu_clk; |
| |
| if (vpu_check()) |
| return -1; |
| |
| if (level >= 100) /* regard as vpu_clk */ |
| level = get_vpu_clk_level(level); |
| |
| if (level >= vpu_conf.data->clk_level_max) { |
| clk_table = vpu_conf.data->vpu_clk_table + (vpu_conf.data->clk_level_max - 1); |
| VPUPR("clk out of supported range\n"); |
| VPUPR("clk max level: %u(%uHz)\n", |
| (vpu_conf.data->clk_level_max - 1), |
| clk_table->freq); |
| return -1; |
| } |
| |
| vpu_conf.clk_level = level; |
| clk_table = vpu_conf.data->vpu_clk_table + vpu_conf.clk_level; |
| vpu_clk = clk_table->freq; |
| |
| vpu_clk_switch(); |
| |
| VPUPR("set clk: %uHz, readback: %uHz(0x%x)\n", |
| vpu_clk, get_vpu_clk(), vpu_hiu_read(HHI_VPU_CLK_CNTL)); |
| return 0; |
| } |
| |
| void vpu_clk_get(void) |
| { |
| if (vpu_check()) |
| return; |
| |
| VPUPR("clk_level: %u, clk: %uHz, reg: 0x%x\n", |
| vpu_conf.clk_level, get_vpu_clk(), |
| vpu_hiu_read(HHI_VPU_CLK_CNTL)); |
| } |
| |
| void vpu_info_print(void) |
| { |
| if (vpu_check()) |
| return; |
| |
| printf("vpu driver version: %s\n", vpu_conf.drv_version); |
| printf("detect chip type: %d(%s)\n", |
| vpu_conf.data->chip_type, |
| vpu_conf.data->chip_name); |
| printf("clk_level: %d(%dHz)\n" |
| "clk_level default: %d(%dHz)\n" |
| "clk_level max: %d(%dHz)\n", |
| vpu_conf.clk_level, |
| (vpu_conf.data->vpu_clk_table + vpu_conf.clk_level)->freq, |
| vpu_conf.data->clk_level_dft, |
| (vpu_conf.data->vpu_clk_table + vpu_conf.data->clk_level_dft)->freq, |
| (vpu_conf.data->clk_level_max - 1), |
| (vpu_conf.data->vpu_clk_table + (vpu_conf.data->clk_level_max - 1))->freq); |
| } |
| |
| static unsigned int vcbus_reg[] = { |
| 0x1b7f, /* VENC_VDAC_TST_VAL */ |
| 0x1c30, /* ENCP_DVI_HSO_BEGIN */ |
| 0x1d00, /* VPP_DUMMY_DATA */ |
| 0x2730, /* VPU_VPU_PWM_V0 */ |
| }; |
| |
| void vcbus_test(void) |
| { |
| unsigned int val; |
| unsigned int temp; |
| int i,j; |
| |
| if (vpu_check()) |
| return; |
| |
| VPUPR("vcbus test:\n"); |
| for (i = 0; i < ARRAY_SIZE(vcbus_reg); i++) { |
| for (j = 0; j < 24; j++) { |
| val = vpu_vcbus_read(vcbus_reg[i]); |
| printf("%02d read 0x%04x=0x%08x\n", j, vcbus_reg[i], val); |
| } |
| printf("\n"); |
| } |
| temp = 0x5a5a5a5a; |
| for (i = 0; i < ARRAY_SIZE(vcbus_reg); i++) { |
| vpu_vcbus_write(vcbus_reg[i], temp); |
| val = vpu_vcbus_read(vcbus_reg[i]); |
| printf("write 0x%04x=0x%08x, readback: 0x%08x\n", vcbus_reg[i], temp, val); |
| } |
| for (i = 0; i < ARRAY_SIZE(vcbus_reg); i++) { |
| for (j = 0; j < 24; j++) { |
| val = vpu_vcbus_read(vcbus_reg[i]); |
| printf("%02d read 0x%04x=0x%08x\n", j, vcbus_reg[i], val); |
| } |
| printf("\n"); |
| } |
| } |