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Diffstat (limited to 'board/micronas/vct/scc.c')
-rw-r--r--board/micronas/vct/scc.c657
1 files changed, 0 insertions, 657 deletions
diff --git a/board/micronas/vct/scc.c b/board/micronas/vct/scc.c
deleted file mode 100644
index 6621231b07..0000000000
--- a/board/micronas/vct/scc.c
+++ /dev/null
@@ -1,657 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
- *
- * Copyright (C) 2006 Micronas GmbH
- */
-
-#include <common.h>
-#include <linux/errno.h>
-
-#include "vct.h"
-
-/*
- * List of statically defined buffers per SCC.
- * The first entry in the table is the number of fixed buffers
- * followed by the list of buffer IDs
- */
-static u32 buffer_list_0[] = { 6, 120, 121, 122, 123, 139, 140 };
-static u32 buffer_list_1[] = { 6, 120, 121, 122, 123, 139, 140 };
-static u32 buffer_list_2[] = { 5, 124, 125, 126, 139, 140 };
-static u32 buffer_list_3[] = { 5, 124, 125, 126, 139, 140 };
-static u32 buffer_list_4[] = { 5, 124, 125, 126, 139, 140 };
-static u32 buffer_list_5[] = { 3, 127, 139, 140 };
-static u32 buffer_list_6[] = { 3, 127, 139, 140 };
-static u32 buffer_list_7[] = { 6, 128, 129, 130, 131, 139, 140 };
-static u32 buffer_list_8[] = { 6, 128, 129, 130, 131, 139, 140 };
-static u32 buffer_list_9[] = { 5, 124, 125, 126, 139, 140 };
-static u32 buffer_list_10[] = { 5, 124, 125, 126, 139, 140 };
-static u32 buffer_list_11[] = { 5, 124, 125, 126, 139, 140 };
-static u32 buffer_list_12[] = { 6, 132, 133, 134, 135, 139, 140 };
-static u32 buffer_list_13[] = { 6, 132, 133, 134, 135, 139, 140 };
-static u32 buffer_list_14[] = { 4, 137, 138, 139, 140 };
-static u32 buffer_list_15[] = { 6, 136, 136, 137, 138, 139, 140 };
-
-/** Issue#7674 (new) - DP/DVP buffer assignment */
-static u32 buffer_list_16[] = { 6, 106, 108, 109, 107, 139, 140 };
-static u32 buffer_list_17[] = { 6, 106, 110, 107, 111, 139, 140 };
-static u32 buffer_list_18[] = { 6, 106, 113, 107, 114, 139, 140 };
-static u32 buffer_list_19[] = { 3, 112, 139, 140 };
-static u32 buffer_list_20[] = { 35, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 79, 80, 81, 82, 83, 84, 85, 86, 139, 140 };
-static u32 buffer_list_21[] = { 27, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 139, 140 };
-static u32 buffer_list_22[] = { 81, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
- 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
- 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
- 73, 74, 75, 76, 77, 78, 139, 140 };
-static u32 buffer_list_23[] = { 29, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 88, 89, 139, 140 };
-static u32 buffer_list_24[] = { 6, 90, 91, 92, 93, 139, 140 };
-static u32 buffer_list_25[] = { 18, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
- 100, 101, 102, 103, 104, 105, 139, 140 };
-static u32 buffer_list_26[] = { 5, 94, 95, 96, 139, 140 };
-static u32 buffer_list_27[] = { 5, 97, 98, 99, 139, 140 };
-static u32 buffer_list_28[] = { 5, 100, 101, 102, 139, 140 };
-static u32 buffer_list_29[] = { 5, 103, 104, 105, 139, 140 };
-static u32 buffer_list_30[] = { 10, 108, 109, 110, 111, 113, 114, 116, 117,
- 139, 140 };
-static u32 buffer_list_31[] = { 13, 106, 107, 108, 109, 110, 111, 113, 114,
- 115, 116, 117, 139, 140 };
-static u32 buffer_list_32[] = { 13, 106, 107, 108, 109, 110, 111, 113, 114,
- 115, 116, 117, 139, 140 };
-static u32 buffer_list_33[] = { 27, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 139, 140 };
-static u32 buffer_list_34[] = { 27, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 139, 140 };
-static u32 buffer_list_35[] = { 28, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 87, 139, 140 };
-static u32 buffer_list_36[] = { 28, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 87, 139, 140 };
-static u32 buffer_list_37[] = { 27, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 139, 140 };
-static u32 buffer_list_38[] = { 29, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 118, 119, 139, 140 };
-static u32 buffer_list_39[] = { 91, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
- 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
- 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
- 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
- 85, 86, 118, 119, 139, 140 };
-static u32 buffer_list_40[] = { 0 };
-
-/*
- * List of statically defined vcid.csize values.
- * The first entry in the table is the number of possible csize values
- * followed by the list of data path values in bits.
- */
-static u32 csize_list_0[] = { 2, 0, 1 };
-static u32 csize_list_1[] = { 2, 0, 1 };
-static u32 csize_list_2[] = { 1, 1 };
-static u32 csize_list_3[] = { 1, 1 };
-static u32 csize_list_4[] = { 1, 1 };
-static u32 csize_list_5[] = { 1, 0 };
-static u32 csize_list_6[] = { 1, 0 };
-static u32 csize_list_7[] = { 1, 1 };
-static u32 csize_list_8[] = { 1, 1 };
-static u32 csize_list_9[] = { 1, 1 };
-static u32 csize_list_10[] = { 1, 1 };
-static u32 csize_list_11[] = { 1, 1 };
-static u32 csize_list_12[] = { 1, 1 };
-static u32 csize_list_13[] = { 1, 1 };
-static u32 csize_list_14[] = { 1, 2 };
-static u32 csize_list_15[] = { 1, 4 };
-static u32 csize_list_16[] = { 3, 0, 1, 2 };
-static u32 csize_list_17[] = { 3, 0, 1, 2 };
-static u32 csize_list_18[] = { 3, 0, 1, 2 };
-static u32 csize_list_19[] = { 1, 2 };
-static u32 csize_list_20[] = { 1, 0 };
-static u32 csize_list_21[] = { 1, 0 };
-static u32 csize_list_22[] = { 1, 2 };
-static u32 csize_list_23[] = { 1, 3 };
-static u32 csize_list_24[] = { 1, 3 };
-static u32 csize_list_25[] = { 1, 3 };
-static u32 csize_list_26[] = { 1, 0 };
-static u32 csize_list_27[] = { 1, 0 };
-static u32 csize_list_28[] = { 1, 0 };
-static u32 csize_list_29[] = { 1, 0 };
-static u32 csize_list_30[] = { 1, 2 };
-static u32 csize_list_31[] = { 1, 2 };
-static u32 csize_list_32[] = { 1, 2 };
-static u32 csize_list_33[] = { 1, 2 };
-static u32 csize_list_34[] = { 1, 2 };
-static u32 csize_list_35[] = { 1, 2 };
-static u32 csize_list_36[] = { 1, 2 };
-static u32 csize_list_37[] = { 2, 0, 1 };
-static u32 csize_list_38[] = { 1, 2 };
-static u32 csize_list_39[] = { 1, 3 };
-static u32 csize_list_40[] = { 1, 3 };
-
-/*
- * SCC_Configuration table
- */
-static const struct scc_descriptor scc_descriptor_table[] = {
-/* scn scc_name profile SCC scc_id mci_id rd wr m p fh si cfg sta */
- {"fe_", "fe_3dcomb_wr", STRM_P, SCC0_BASE, 0, 0, 0, 4, 1, 1, 0, 0, 0, 1,
- buffer_list_0, csize_list_0},
- {"fe_", "fe_3dcomb_rd", STRM_P, SCC1_BASE, 1, 18, 4, 0, 1, 1, 0, 1, 0,
- 1, buffer_list_1, csize_list_1},
- {"di_", "di_tnr_wr", STRM_P, SCC2_BASE, 2, 1, 0, 3, 1, 1, 0, 2, 0, 1,
- buffer_list_2, csize_list_2},
- {"di_", "di_tnr_field_rd", STRM_P, SCC3_BASE, 3, 19, 3, 0, 1, 1, 0, 3,
- 0, 1, buffer_list_3, csize_list_3},
- {"di_", "di_tnr_frame_rd", STRM_P, SCC4_BASE, 4, 20, 3, 0, 1, 1, 0, 4,
- 0, 1, buffer_list_4, csize_list_4},
- {"di_", "di_mval_wr", STRM_P, SCC5_BASE, 5, 2, 0, 1, 1, 1, 0, 5, 0, 1,
- buffer_list_5, csize_list_5},
- {"di_", "di_mval_rd", STRM_P, SCC6_BASE, 6, 21, 1, 0, 1, 1, 0, 6, 0, 1,
- buffer_list_6, csize_list_6},
- {"rc_", "rc_frame_wr", STRM_P, SCC7_BASE, 7, 3, 0, 4, 1, 1, 0, 7, 0, 1,
- buffer_list_7, csize_list_7},
- {"rc_", "rc_frame0_rd", STRM_P, SCC8_BASE, 8, 22, 4, 0, 1, 1, 0, 8, 0,
- 1, buffer_list_8, csize_list_8},
- {"opt", "opt_field0_rd", STRM_P, SCC9_BASE, 9, 23, 3, 0, 1, 1, 0, 9, 0,
- 1, buffer_list_9, csize_list_9},
- {"opt", "opt_field1_rd", STRM_P, SCC10_BASE, 10, 24, 3, 0, 1, 1, 0, 10,
- 0, 1, buffer_list_10, csize_list_10},
- {"opt", "opt_field2_rd", STRM_P, SCC11_BASE, 11, 25, 3, 0, 1, 1, 0, 11,
- 0, 1, buffer_list_11, csize_list_11},
- {"pip", "pip_frame_wr", STRM_P, SCC12_BASE, 12, 4, 0, 4, 1, 1, 0, 12, 0,
- 1, buffer_list_12, csize_list_12},
- {"pip", "pip_frame_rd", STRM_P, SCC13_BASE, 13, 26, 4, 0, 1, 1, 0, 13,
- 0, 1, buffer_list_13, csize_list_13},
- {"dp_", "dp_agpu_rd", STRM_P, SCC14_BASE, 14, 27, 2, 0, 2, 1, 0, 14, 0,
- 1, buffer_list_14, csize_list_14},
- {"ewa", "ewarp_rw", SRMD, SCC15_BASE, 15, 11, 1, 1, 0, 0, 0, -1, 0, 0,
- buffer_list_15, csize_list_15},
- {"dp_", "dp_osd_rd", STRM_P, SCC16_BASE, 16, 28, 3, 0, 2, 1, 0, 15, 0,
- 1, buffer_list_16, csize_list_16},
- {"dp_", "dp_graphic_rd", STRM_P, SCC17_BASE, 17, 29, 3, 0, 2, 1, 0, 16,
- 0, 1, buffer_list_17, csize_list_17},
- {"dvp", "dvp_osd_rd", STRM_P, SCC18_BASE, 18, 30, 2, 0, 2, 1, 0, 17, 0,
- 1, buffer_list_18, csize_list_18},
- {"dvp", "dvp_vbi_rd", STRM_D, SCC19_BASE, 19, 31, 1, 0, 0, 1, 0, -1, 0,
- 0, buffer_list_19, csize_list_19},
- {"tsi", "tsio_wr", STRM_P, SCC20_BASE, 20, 5, 0, 8, 2, 1, 1, -1, 0, 0,
- buffer_list_20, csize_list_20},
- {"tsi", "tsio_rd", STRM_P, SCC21_BASE, 21, 32, 4, 0, 2, 1, 1, -1, 0, 0,
- buffer_list_21, csize_list_21},
- {"tsd", "tsd_wr", SRMD, SCC22_BASE, 22, 6, 0, 64, 0, 0, 1, -1, 0, 0,
- buffer_list_22, csize_list_22},
- {"vd_", "vd_ud_st_rw", SRMD, SCC23_BASE, 23, 12, 2, 2, 0, 0, 1, -1, 0,
- 0, buffer_list_23, csize_list_23},
- {"vd_", "vd_frr_rd", SRMD, SCC24_BASE, 24, 33, 4, 0, 0, 0, 0, -1, 0, 0,
- buffer_list_24, csize_list_24},
- {"vd_", "vd_frw_disp_wr", SRMD, SCC25_BASE, 25, 7, 0, 16, 0, 0, 0, -1,
- 0, 0, buffer_list_25, csize_list_25},
- {"mr_", "mr_vd_m_y_rd", STRM_P, SCC26_BASE, 26, 34, 3, 0, 2, 1, 0, 18,
- 0, 1, buffer_list_26, csize_list_26},
- {"mr_", "mr_vd_m_c_rd", STRM_P, SCC27_BASE, 27, 35, 3, 0, 2, 1, 0, 19,
- 0, 1, buffer_list_27, csize_list_27},
- {"mr_", "mr_vd_s_y_rd", STRM_P, SCC28_BASE, 28, 36, 3, 0, 2, 1, 0, 20,
- 0, 1, buffer_list_28, csize_list_28},
- {"mr_", "mr_vd_s_c_rd", STRM_P, SCC29_BASE, 29, 37, 3, 0, 2, 1, 0, 21,
- 0, 1, buffer_list_29, csize_list_29},
- {"ga_", "ga_wr", STRM_P, SCC30_BASE, 30, 8, 0, 1, 1, 1, 0, -1, 1, 1,
- buffer_list_30, csize_list_30},
- {"ga_", "ga_src1_rd", STRM_P, SCC31_BASE, 31, 38, 1, 0, 1, 1, 0, -1, 1,
- 1, buffer_list_31, csize_list_31},
- {"ga_", "ga_src2_rd", STRM_P, SCC32_BASE, 32, 39, 1, 0, 1, 1, 0, -1, 1,
- 1, buffer_list_32, csize_list_32},
- {"ad_", "ad_rd", STRM_D, SCC33_BASE, 33, 40, 2, 0, 0, 1, 1, -1, 0, 0,
- buffer_list_33, csize_list_33},
- {"ad_", "ad_wr", STRM_D, SCC34_BASE, 34, 9, 0, 3, 0, 1, 1, -1, 0, 0,
- buffer_list_34, csize_list_34},
- {"abp", "abp_rd", STRM_D, SCC35_BASE, 35, 41, 5, 0, 0, 1, 1, -1, 0, 0,
- buffer_list_35, csize_list_35},
- {"abp", "abp_wr", STRM_D, SCC36_BASE, 36, 10, 0, 3, 0, 1, 1, -1, 0, 0,
- buffer_list_36, csize_list_36},
- {"ebi", "ebi_rw", STRM_P, SCC37_BASE, 37, 13, 4, 4, 2, 1, 1, -1, 0, 0,
- buffer_list_37, csize_list_37},
- {"usb", "usb_rw", SRMD, SCC38_BASE, 38, 14, 1, 1, 0, 0, 1, -1, 0, 0,
- buffer_list_38, csize_list_38},
- {"cpu", "cpu1_spdma_rw", SRMD, SCC39_BASE, 39, 15, 1, 1, 0, 0, 1, -1, 0,
- 0, buffer_list_39, csize_list_39},
- {"cpu", "cpu1_bridge_rw", SRMD, SCC40_BASE, 40, 16, 0, 0, 0, 0, 0, -1,
- 0, 0, buffer_list_40, csize_list_40},
-};
-
-/* DMA state structures for read and write channels for each SCC */
-
-static struct scc_dma_state scc_state_rd_0[] = { {-1} };
-static struct scc_dma_state scc_state_wr_0[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_1[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_1[] = { {-1} };
-static struct scc_dma_state scc_state_rd_2[] = { {-1} };
-static struct scc_dma_state scc_state_wr_2[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_3[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_3[] = { {-1} };
-static struct scc_dma_state scc_state_rd_4[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_4[] = { {-1} };
-static struct scc_dma_state scc_state_rd_5[] = { {-1} };
-static struct scc_dma_state scc_state_wr_5[] = { {0} };
-static struct scc_dma_state scc_state_rd_6[] = { {0} };
-static struct scc_dma_state scc_state_wr_6[] = { {-1} };
-static struct scc_dma_state scc_state_rd_7[] = { {-1} };
-static struct scc_dma_state scc_state_wr_7[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_8[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_8[] = { {-1} };
-static struct scc_dma_state scc_state_rd_9[] = { {0}, {0}, {0}, };
-static struct scc_dma_state scc_state_wr_9[] = { {-1} };
-static struct scc_dma_state scc_state_rd_10[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_10[] = { {-1} };
-static struct scc_dma_state scc_state_rd_11[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_11[] = { {-1} };
-static struct scc_dma_state scc_state_rd_12[] = { {-1} };
-static struct scc_dma_state scc_state_wr_12[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_13[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_13[] = { {-1} };
-static struct scc_dma_state scc_state_rd_14[] = { {0}, {0} };
-static struct scc_dma_state scc_state_wr_14[] = { {-1} };
-static struct scc_dma_state scc_state_rd_15[] = { {0} };
-static struct scc_dma_state scc_state_wr_15[] = { {0} };
-static struct scc_dma_state scc_state_rd_16[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_16[] = { {-1} };
-static struct scc_dma_state scc_state_rd_17[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_17[] = { {-1} };
-static struct scc_dma_state scc_state_rd_18[] = { {0}, {0} };
-static struct scc_dma_state scc_state_wr_18[] = { {-1} };
-static struct scc_dma_state scc_state_rd_19[] = { {0} };
-static struct scc_dma_state scc_state_wr_19[] = { {-1} };
-static struct scc_dma_state scc_state_rd_20[] = { {-1} };
-static struct scc_dma_state scc_state_wr_20[] = {
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_21[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_21[] = { {-1} };
-static struct scc_dma_state scc_state_rd_22[] = { {-1} };
-static struct scc_dma_state scc_state_wr_22[] = {
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0},
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0},
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0},
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0},
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_23[] = { {0}, {0} };
-static struct scc_dma_state scc_state_wr_23[] = { {0}, {0} };
-static struct scc_dma_state scc_state_rd_24[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_24[] = { {-1} };
-static struct scc_dma_state scc_state_rd_25[] = { {-1} };
-static struct scc_dma_state scc_state_wr_25[] = {
- {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0},
- {0}, {0} };
-static struct scc_dma_state scc_state_rd_26[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_26[] = { {-1} };
-static struct scc_dma_state scc_state_rd_27[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_27[] = { {-1} };
-static struct scc_dma_state scc_state_rd_28[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_28[] = { {-1} };
-static struct scc_dma_state scc_state_rd_29[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_29[] = { {-1} };
-static struct scc_dma_state scc_state_rd_30[] = { {-1} };
-static struct scc_dma_state scc_state_wr_30[] = { {0} };
-static struct scc_dma_state scc_state_rd_31[] = { {0} };
-static struct scc_dma_state scc_state_wr_31[] = { {-1} };
-static struct scc_dma_state scc_state_rd_32[] = { {0} };
-static struct scc_dma_state scc_state_wr_32[] = { {-1} };
-static struct scc_dma_state scc_state_rd_33[] = { {0}, {0} };
-static struct scc_dma_state scc_state_wr_33[] = { {-1} };
-static struct scc_dma_state scc_state_rd_34[] = { {-1} };
-static struct scc_dma_state scc_state_wr_34[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_35[] = { {0}, {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_35[] = { {-1} };
-static struct scc_dma_state scc_state_rd_36[] = { {-1} };
-static struct scc_dma_state scc_state_wr_36[] = { {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_37[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_wr_37[] = { {0}, {0}, {0}, {0} };
-static struct scc_dma_state scc_state_rd_38[] = { {0} };
-static struct scc_dma_state scc_state_wr_38[] = { {0} };
-static struct scc_dma_state scc_state_rd_39[] = { {0} };
-static struct scc_dma_state scc_state_wr_39[] = { {0} };
-static struct scc_dma_state scc_state_rd_40[] = { {-1} };
-static struct scc_dma_state scc_state_wr_40[] = { {-1} };
-
-/* DMA state references to access from the driver */
-static struct scc_dma_state *scc_state_rd[] = {
- scc_state_rd_0,
- scc_state_rd_1,
- scc_state_rd_2,
- scc_state_rd_3,
- scc_state_rd_4,
- scc_state_rd_5,
- scc_state_rd_6,
- scc_state_rd_7,
- scc_state_rd_8,
- scc_state_rd_9,
- scc_state_rd_10,
- scc_state_rd_11,
- scc_state_rd_12,
- scc_state_rd_13,
- scc_state_rd_14,
- scc_state_rd_15,
- scc_state_rd_16,
- scc_state_rd_17,
- scc_state_rd_18,
- scc_state_rd_19,
- scc_state_rd_20,
- scc_state_rd_21,
- scc_state_rd_22,
- scc_state_rd_23,
- scc_state_rd_24,
- scc_state_rd_25,
- scc_state_rd_26,
- scc_state_rd_27,
- scc_state_rd_28,
- scc_state_rd_29,
- scc_state_rd_30,
- scc_state_rd_31,
- scc_state_rd_32,
- scc_state_rd_33,
- scc_state_rd_34,
- scc_state_rd_35,
- scc_state_rd_36,
- scc_state_rd_37,
- scc_state_rd_38,
- scc_state_rd_39,
- scc_state_rd_40,
-};
-
-static struct scc_dma_state *scc_state_wr[] = {
- scc_state_wr_0,
- scc_state_wr_1,
- scc_state_wr_2,
- scc_state_wr_3,
- scc_state_wr_4,
- scc_state_wr_5,
- scc_state_wr_6,
- scc_state_wr_7,
- scc_state_wr_8,
- scc_state_wr_9,
- scc_state_wr_10,
- scc_state_wr_11,
- scc_state_wr_12,
- scc_state_wr_13,
- scc_state_wr_14,
- scc_state_wr_15,
- scc_state_wr_16,
- scc_state_wr_17,
- scc_state_wr_18,
- scc_state_wr_19,
- scc_state_wr_20,
- scc_state_wr_21,
- scc_state_wr_22,
- scc_state_wr_23,
- scc_state_wr_24,
- scc_state_wr_25,
- scc_state_wr_26,
- scc_state_wr_27,
- scc_state_wr_28,
- scc_state_wr_29,
- scc_state_wr_30,
- scc_state_wr_31,
- scc_state_wr_32,
- scc_state_wr_33,
- scc_state_wr_34,
- scc_state_wr_35,
- scc_state_wr_36,
- scc_state_wr_37,
- scc_state_wr_38,
- scc_state_wr_39,
- scc_state_wr_40,
-};
-
-static u32 scc_takeover_mode = SCC_TO_IMMEDIATE;
-
-/* Change mode of the SPDMA for given direction */
-static u32 scc_agu_mode_sp = AGU_BYPASS;
-
-/* Change mode of the USB for given direction */
-static u32 scc_agu_mode_usb = AGU_BYPASS;
-
-static union scc_softwareconfiguration scc_software_configuration[SCC_MAX];
-
-static u32 dma_fsm[4][4] = {
- /* DMA_CMD_RESET DMA_CMD_SETUP DMA_CMD_START DMA_CMD_STOP */
- /* DMA_STATE_RESET */
- {DMA_STATE_RESET, DMA_STATE_SETUP, DMA_STATE_ERROR, DMA_STATE_ERROR},
- /* DMA_STATE_SETUP */
- {DMA_STATE_RESET, DMA_STATE_SETUP, DMA_STATE_START, DMA_STATE_SETUP},
- /* DMA_STATE_START */
- {DMA_STATE_RESET, DMA_STATE_ERROR, DMA_STATE_START, DMA_STATE_SETUP},
- /* DMA_STATE_ERROR */
- {DMA_STATE_RESET, DMA_STATE_ERROR, DMA_STATE_ERROR, DMA_STATE_ERROR},
-};
-
-static void dma_state_process(struct scc_dma_state *dma_state, u32 cmd)
-{
- dma_state->dma_status = dma_fsm[dma_state->dma_status][cmd];
- dma_state->dma_cmd = cmd;
-}
-
-static void dma_state_process_dma_command(struct scc_dma_state *dma_state,
- u32 dma_cmd)
-{
- dma_state->dma_cmd = dma_cmd;
- switch (dma_cmd) {
- case DMA_START:
- case DMA_START_FH_RESET:
- dma_state_process(dma_state, DMA_CMD_START);
- break;
- case DMA_STOP:
- dma_state_process(dma_state, DMA_CMD_STOP);
- break;
- default:
- break;
- }
-}
-
-static void scc_takeover_dma(enum scc_id id, u32 dma_id, u32 drs)
-{
- union scc_cmd dma_cmd;
-
- dma_cmd.reg = 0;
-
- /* Prepare the takeover for the DMA channel */
- dma_cmd.bits.action = DMA_TAKEOVER;
- dma_cmd.bits.id = dma_id;
- dma_cmd.bits.rid = TO_DMA_CFG; /* this is DMA_CFG register takeover */
- if (drs == DMA_WRITE)
- dma_cmd.bits.drs = DMA_WRITE;
-
- reg_write(SCC_CMD(scc_descriptor_table[id].base_address), dma_cmd.reg);
-}
-
-int scc_dma_cmd(enum scc_id id, u32 cmd, u32 dma_id, u32 drs)
-{
- union scc_cmd dma_cmd;
- struct scc_dma_state *dma_state;
-
- if ((id >= SCC_MAX) || (id < 0))
- return -EINVAL;
-
- dma_cmd.reg = 0;
-
- /* Prepare the takeover for the DMA channel */
- dma_cmd.bits.action = cmd;
- dma_cmd.bits.id = dma_id;
- if (drs == DMA_WRITE) {
- dma_cmd.bits.drs = DMA_WRITE;
- dma_state = &scc_state_wr[id][dma_id];
- } else {
- dma_state = &scc_state_rd[id][dma_id];
- }
-
- dma_state->scc_id = id;
- dma_state->dma_id = dma_id;
- dma_state_process_dma_command(dma_state, cmd);
-
- reg_write(SCC_CMD(scc_descriptor_table[id].base_address), dma_cmd.reg);
-
- return 0;
-}
-
-int scc_set_usb_address_generation_mode(u32 agu_mode)
-{
- if (AGU_ACTIVE == agu_mode) {
- /* Ensure both DMAs are stopped */
- scc_dma_cmd(SCC_USB_RW, DMA_STOP, 0, DMA_WRITE);
- scc_dma_cmd(SCC_USB_RW, DMA_STOP, 0, DMA_READ);
- } else {
- agu_mode = AGU_BYPASS;
- }
-
- scc_agu_mode_usb = agu_mode;
-
- return 0;
-}
-
-int scc_setup_dma(enum scc_id id, u32 buffer_tag,
- u32 type, u32 fh_mode, u32 drs, u32 dma_id)
-{
- struct scc_dma_state *dma_state;
- int return_value = 0;
- union scc_dma_cfg dma_cfg;
- u32 *buffer_tag_list;
- u32 tag_count, t, t_valid;
-
- if ((id >= SCC_MAX) || (id < 0))
- return -EINVAL;
-
- buffer_tag_list = scc_descriptor_table[id].buffer_tag_list;
-
- /* if the register is only configured by hw, cannot write! */
- if (1 == scc_descriptor_table[id].hw_dma_cfg)
- return -EACCES;
-
- if (DMA_WRITE == drs) {
- if (dma_id >= scc_descriptor_table[id].p_dma_channels_wr)
- return -EINVAL;
- dma_state = &scc_state_wr[id][dma_id];
- } else {
- if (dma_id >= scc_descriptor_table[id].p_dma_channels_rd)
- return -EINVAL;
- dma_state = &scc_state_rd[id][dma_id];
- }
-
- /* Compose the DMA configuration register */
- tag_count = buffer_tag_list[0];
- t_valid = 0;
- for (t = 1; t <= tag_count; t++) {
- if (buffer_tag == buffer_tag_list[t]) {
- /* Tag found - validate */
- t_valid = 1;
- break;
- }
- }
-
- if (!t_valid)
- return -EACCES;
-
- /*
- * Read the register first -- two functions write into the register
- * it does not make sense to read the DMA config back, because there
- * are two register configuration sets (drs)
- */
- dma_cfg.reg = 0;
- dma_cfg.bits.buffer_id = buffer_tag;
- dma_state_process(dma_state, DMA_CMD_SETUP);
-
- /*
- * This is Packet CFG set select - usable for TSIO, EBI and those SCCs
- * which habe 2 packet configs
- */
- dma_cfg.bits.packet_cfg_id =
- scc_software_configuration[id].bits.packet_select;
-
- if (type == DMA_CYCLIC)
- dma_cfg.bits.buffer_type = 1;
- else
- dma_cfg.bits.buffer_type = 0;
-
- if (fh_mode == USE_FH)
- dma_cfg.bits.fh_mode = 1;
- else
- dma_cfg.bits.fh_mode = 0;
-
- if (id == SCC_CPU1_SPDMA_RW)
- dma_cfg.bits.agu_mode = scc_agu_mode_sp;
-
- if (id == SCC_USB_RW)
- dma_cfg.bits.agu_mode = scc_agu_mode_usb;
-
- reg_write(SCC_DMA_CFG(scc_descriptor_table[id].base_address),
- dma_cfg.reg);
-
- /* The DMA_CFG needs a takeover! */
- if (SCC_TO_IMMEDIATE == scc_takeover_mode)
- scc_takeover_dma(id, dma_id, drs);
-
- /* if (buffer_tag is not used) */
- dma_state->buffer_tag = buffer_tag;
-
- dma_state->scc_id = id;
- dma_state->dma_id = dma_id;
-
- return return_value;
-}
-
-int scc_enable(enum scc_id id, u32 value)
-{
- if ((id >= SCC_MAX) || (id < 0))
- return -EINVAL;
-
- if (value == 0) {
- scc_software_configuration[id].bits.enable_status = 0;
- } else {
- value = 1;
- scc_software_configuration[id].bits.enable_status = 1;
- }
- reg_write(SCC_ENABLE(scc_descriptor_table[id].base_address), value);
-
- return 0;
-}
-
-static inline void ehb(void)
-{
- __asm__ __volatile__(
- " .set mips32r2 \n"
- " ehb \n"
- " .set mips0 \n");
-}
-
-int scc_reset(enum scc_id id, u32 value)
-{
- if ((id >= SCC_MAX) || (id < 0))
- return -EINVAL;
-
- /* Invert value to the strait logic from the negative hardware logic */
- if (value == 0)
- value = 1;
- else
- value = 0;
-
- /* Write the value to the register */
- reg_write(SCC_RESET(scc_descriptor_table[id].base_address), value);
-
- /* sync flush */
- asm("sync"); /* request bus write queue flush */
- ehb(); /* wait until previous bus commit instr has finished */
- asm("nop"); /* wait for flush to occur */
- asm("nop"); /* wait for flush to occur */
-
- udelay(100);
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-07 02:44:25 +0000