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Diffstat (limited to 'drivers/staging/westbridge/astoria/api/src/cyaslep2pep.c')
-rw-r--r--drivers/staging/westbridge/astoria/api/src/cyaslep2pep.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/drivers/staging/westbridge/astoria/api/src/cyaslep2pep.c b/drivers/staging/westbridge/astoria/api/src/cyaslep2pep.c
deleted file mode 100644
index 76821e51b817..000000000000
--- a/drivers/staging/westbridge/astoria/api/src/cyaslep2pep.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/* Cypress West Bridge API source file (cyaslep2pep.c)
-## ===========================
-## Copyright (C) 2010 Cypress Semiconductor
-##
-## 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 "../../include/linux/westbridge/cyashal.h"
-#include "../../include/linux/westbridge/cyasusb.h"
-#include "../../include/linux/westbridge/cyaserr.h"
-#include "../../include/linux/westbridge/cyaslowlevel.h"
-#include "../../include/linux/westbridge/cyasdma.h"
-
-typedef enum cy_as_physical_endpoint_state {
- cy_as_e_p_free,
- cy_as_e_p_in,
- cy_as_e_p_out,
- cy_as_e_p_iso_in,
- cy_as_e_p_iso_out
-} cy_as_physical_endpoint_state;
-
-
-/*
-* This map is used to map an index between 1 and 10
-* to a logical endpoint number. This is used to map
-* LEP register indexes into actual EP numbers.
-*/
-static cy_as_end_point_number_t end_point_map[] = {
- 3, 5, 7, 9, 10, 11, 12, 13, 14, 15 };
-
-#define CY_AS_EPCFG_1024 (1 << 3)
-#define CY_AS_EPCFG_DBL (0x02)
-#define CY_AS_EPCFG_TRIPLE (0x03)
-#define CY_AS_EPCFG_QUAD (0x00)
-
-/*
- * NB: This table contains the register values for PEP1
- * and PEP3. PEP2 and PEP4 only have a bit to change the
- * direction of the PEP and therefre are not represented
- * in this table.
- */
-static uint8_t pep_register_values[12][4] = {
- /* Bit 1:0 buffering, 0 = quad, 2 = double, 3 = triple */
- /* Bit 3 size, 0 = 512, 1 = 1024 */
- {
- CY_AS_EPCFG_DBL,
- CY_AS_EPCFG_DBL,
- },/* Config 1 - PEP1 (2 * 512), PEP2 (2 * 512),
- * PEP3 (2 * 512), PEP4 (2 * 512) */
- {
- CY_AS_EPCFG_DBL,
- CY_AS_EPCFG_QUAD,
- }, /* Config 2 - PEP1 (2 * 512), PEP2 (2 * 512),
- * PEP3 (4 * 512), PEP4 (N/A) */
- {
- CY_AS_EPCFG_DBL,
- CY_AS_EPCFG_DBL | CY_AS_EPCFG_1024,
- },/* Config 3 - PEP1 (2 * 512), PEP2 (2 * 512),
- * PEP3 (2 * 1024), PEP4(N/A) */
- {
- CY_AS_EPCFG_QUAD,
- CY_AS_EPCFG_DBL,
- },/* Config 4 - PEP1 (4 * 512), PEP2 (N/A),
- * PEP3 (2 * 512), PEP4 (2 * 512) */
- {
- CY_AS_EPCFG_QUAD,
- CY_AS_EPCFG_QUAD,
- },/* Config 5 - PEP1 (4 * 512), PEP2 (N/A),
- * PEP3 (4 * 512), PEP4 (N/A) */
- {
- CY_AS_EPCFG_QUAD,
- CY_AS_EPCFG_1024 | CY_AS_EPCFG_DBL,
- },/* Config 6 - PEP1 (4 * 512), PEP2 (N/A),
- * PEP3 (2 * 1024), PEP4 (N/A) */
- {
- CY_AS_EPCFG_1024 | CY_AS_EPCFG_DBL,
- CY_AS_EPCFG_DBL,
- },/* Config 7 - PEP1 (2 * 1024), PEP2 (N/A),
- * PEP3 (2 * 512), PEP4 (2 * 512) */
- {
- CY_AS_EPCFG_1024 | CY_AS_EPCFG_DBL,
- CY_AS_EPCFG_QUAD,
- },/* Config 8 - PEP1 (2 * 1024), PEP2 (N/A),
- * PEP3 (4 * 512), PEP4 (N/A) */
- {
- CY_AS_EPCFG_1024 | CY_AS_EPCFG_DBL,
- CY_AS_EPCFG_1024 | CY_AS_EPCFG_DBL,
- },/* Config 9 - PEP1 (2 * 1024), PEP2 (N/A),
- * PEP3 (2 * 1024), PEP4 (N/A)*/
- {
- CY_AS_EPCFG_TRIPLE,
- CY_AS_EPCFG_TRIPLE,
- },/* Config 10 - PEP1 (3 * 512), PEP2 (N/A),
- * PEP3 (3 * 512), PEP4 (2 * 512)*/
- {
- CY_AS_EPCFG_TRIPLE | CY_AS_EPCFG_1024,
- CY_AS_EPCFG_DBL,
- },/* Config 11 - PEP1 (3 * 1024), PEP2 (N/A),
- * PEP3 (N/A), PEP4 (2 * 512) */
- {
- CY_AS_EPCFG_QUAD | CY_AS_EPCFG_1024,
- CY_AS_EPCFG_DBL,
- },/* Config 12 - PEP1 (4 * 1024), PEP2 (N/A),
- * PEP3 (N/A), PEP4 (N/A) */
-};
-
-static cy_as_return_status_t
-find_endpoint_directions(cy_as_device *dev_p,
- cy_as_physical_endpoint_state epstate[4])
-{
- int i;
- cy_as_physical_endpoint_state desired;
-
- /*
- * note, there is no error checking here because
- * ISO error checking happens when the API is called.
- */
- for (i = 0; i < 10; i++) {
- int epno = end_point_map[i];
- if (dev_p->usb_config[epno].enabled) {
- int pep = dev_p->usb_config[epno].physical;
- if (dev_p->usb_config[epno].type == cy_as_usb_iso) {
- /*
- * marking this as an ISO endpoint, removes the
- * physical EP from consideration when
- * mapping the remaining E_ps.
- */
- if (dev_p->usb_config[epno].dir == cy_as_usb_in)
- desired = cy_as_e_p_iso_in;
- else
- desired = cy_as_e_p_iso_out;
- } else {
- if (dev_p->usb_config[epno].dir == cy_as_usb_in)
- desired = cy_as_e_p_in;
- else
- desired = cy_as_e_p_out;
- }
-
- /*
- * NB: Note the API calls insure that an ISO endpoint
- * has a physical and logical EP number that are the
- * same, therefore this condition is not enforced here.
- */
- if (epstate[pep - 1] !=
- cy_as_e_p_free && epstate[pep - 1] != desired)
- return CY_AS_ERROR_INVALID_CONFIGURATION;
-
- epstate[pep - 1] = desired;
- }
- }
-
- /*
- * create the EP1 config values directly.
- * both EP1OUT and EP1IN are invalid by default.
- */
- dev_p->usb_ep1cfg[0] = 0;
- dev_p->usb_ep1cfg[1] = 0;
- if (dev_p->usb_config[1].enabled) {
- if ((dev_p->usb_config[1].dir == cy_as_usb_out) ||
- (dev_p->usb_config[1].dir == cy_as_usb_in_out)) {
- /* Set the valid bit and type field. */
- dev_p->usb_ep1cfg[0] = (1 << 7);
- if (dev_p->usb_config[1].type == cy_as_usb_bulk)
- dev_p->usb_ep1cfg[0] |= (2 << 4);
- else
- dev_p->usb_ep1cfg[0] |= (3 << 4);
- }
-
- if ((dev_p->usb_config[1].dir == cy_as_usb_in) ||
- (dev_p->usb_config[1].dir == cy_as_usb_in_out)) {
- /* Set the valid bit and type field. */
- dev_p->usb_ep1cfg[1] = (1 << 7);
- if (dev_p->usb_config[1].type == cy_as_usb_bulk)
- dev_p->usb_ep1cfg[1] |= (2 << 4);
- else
- dev_p->usb_ep1cfg[1] |= (3 << 4);
- }
- }
-
- return CY_AS_ERROR_SUCCESS;
-}
-
-static void
-create_register_settings(cy_as_device *dev_p,
- cy_as_physical_endpoint_state epstate[4])
-{
- int i;
- uint8_t v;
-
- for (i = 0; i < 4; i++) {
- if (i == 0) {
- /* Start with the values that specify size */
- dev_p->usb_pepcfg[i] =
- pep_register_values
- [dev_p->usb_phy_config - 1][0];
- } else if (i == 2) {
- /* Start with the values that specify size */
- dev_p->usb_pepcfg[i] =
- pep_register_values
- [dev_p->usb_phy_config - 1][1];
- } else
- dev_p->usb_pepcfg[i] = 0;
-
- /* Adjust direction if it is in */
- if (epstate[i] == cy_as_e_p_iso_in ||
- epstate[i] == cy_as_e_p_in)
- dev_p->usb_pepcfg[i] |= (1 << 6);
- }
-
- /* Configure the logical EP registers */
- for (i = 0; i < 10; i++) {
- int val;
- int epnum = end_point_map[i];
-
- v = 0x10; /* PEP 1, Bulk Endpoint, EP not valid */
- if (dev_p->usb_config[epnum].enabled) {
- v |= (1 << 7); /* Enabled */
-
- val = dev_p->usb_config[epnum].physical - 1;
- cy_as_hal_assert(val >= 0 && val <= 3);
- v |= (val << 5);
-
- switch (dev_p->usb_config[epnum].type) {
- case cy_as_usb_bulk:
- val = 2;
- break;
- case cy_as_usb_int:
- val = 3;
- break;
- case cy_as_usb_iso:
- val = 1;
- break;
- default:
- cy_as_hal_assert(cy_false);
- break;
- }
- v |= (val << 3);
- }
-
- dev_p->usb_lepcfg[i] = v;
- }
-}
-
-
-cy_as_return_status_t
-cy_as_usb_map_logical2_physical(cy_as_device *dev_p)
-{
- cy_as_return_status_t ret;
-
- /* Physical EPs 3 5 7 9 respectively in the array */
- cy_as_physical_endpoint_state epstate[4] = {
- cy_as_e_p_free, cy_as_e_p_free,
- cy_as_e_p_free, cy_as_e_p_free };
-
- /* Find the direction for the endpoints */
- ret = find_endpoint_directions(dev_p, epstate);
- if (ret != CY_AS_ERROR_SUCCESS)
- return ret;
-
- /*
- * now create the register settings based on the given
- * assigned of logical E_ps to physical endpoints.
- */
- create_register_settings(dev_p, epstate);
-
- return ret;
-}
-
-static uint16_t
-get_max_dma_size(cy_as_device *dev_p, cy_as_end_point_number_t ep)
-{
- uint16_t size = dev_p->usb_config[ep].size;
-
- if (size == 0) {
- switch (dev_p->usb_config[ep].type) {
- case cy_as_usb_control:
- size = 64;
- break;
-
- case cy_as_usb_bulk:
- size = cy_as_device_is_usb_high_speed(dev_p) ?
- 512 : 64;
- break;
-
- case cy_as_usb_int:
- size = cy_as_device_is_usb_high_speed(dev_p) ?
- 1024 : 64;
- break;
-
- case cy_as_usb_iso:
- size = cy_as_device_is_usb_high_speed(dev_p) ?
- 1024 : 1023;
- break;
- }
- }
-
- return size;
-}
-
-cy_as_return_status_t
-cy_as_usb_set_dma_sizes(cy_as_device *dev_p)
-{
- cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
- uint32_t i;
-
- for (i = 0; i < 10; i++) {
- cy_as_usb_end_point_config *config_p =
- &dev_p->usb_config[end_point_map[i]];
- if (config_p->enabled) {
- ret = cy_as_dma_set_max_dma_size(dev_p,
- end_point_map[i],
- get_max_dma_size(dev_p, end_point_map[i]));
- if (ret != CY_AS_ERROR_SUCCESS)
- break;
- }
- }
-
- return ret;
-}
-
-cy_as_return_status_t
-cy_as_usb_setup_dma(cy_as_device *dev_p)
-{
- cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
- uint32_t i;
-
- for (i = 0; i < 10; i++) {
- cy_as_usb_end_point_config *config_p =
- &dev_p->usb_config[end_point_map[i]];
- if (config_p->enabled) {
- /* Map the endpoint direction to the DMA direction */
- cy_as_dma_direction dir = cy_as_direction_out;
- if (config_p->dir == cy_as_usb_in)
- dir = cy_as_direction_in;
-
- ret = cy_as_dma_enable_end_point(dev_p,
- end_point_map[i], cy_true, dir);
- if (ret != CY_AS_ERROR_SUCCESS)
- break;
- }
- }
-
- return ret;
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-26 19:22:59 +0000